MBfGRSXf

1[
2  {
3    "name": "Question 0",
4    "desc": "Which of the following would be more appropriate to be replaced with question mark in the following figure ?",
5    "ans": "b",
6    "opt": {
7      "a": "",
8      "b": " Data Analysis",
9      "c": " Data Science",
10      "d": " Descriptive Analytics"
11    }
12  },
13  {
14    "name": "Question 1",
15    "desc": "Point out the correct statement:",
16    "ans": "a",
17    "opt": {
18      "a": " Raw data is original source of data",
19      "b": " Preprocessed data is original source of data",
20      "c": " Raw data is the data obtained after processing steps",
21      "d": " None of the Mentioned"
22    }
23  },
24  {
25    "name": "Question 2",
26    "desc": "Which of the following is performed by Data Scientist ?",
27    "ans": "d",
28    "opt": {
29      "a": " Define the question",
30      "b": " Create reproducible code",
31      "c": " Challenge results",
32      "d": " All of the Mentioned"
33    }
34  },
35  {
36    "name": "Question 3",
37    "desc": "Which of the following is most important language for Data Science ?",
38    "ans": "c",
39    "opt": {
40      "a": " Java",
41      "b": " Ruby",
42      "c": " R",
43      "d": " None of the Mentioned"
44    }
45  },
46  {
47    "name": "Question 4",
48    "desc": "Point out the wrong statement:",
49    "ans": "b",
50    "opt": {
51      "a": " Merging concerns combining datasets on the same observations to produce a result with more variables",
52      "b": " Data visualization is the organization of information according to preset specifications",
53      "c": " Subsetting can be used to select and exclude variables and observations",
54      "d": " All of the Mentioned"
55    }
56  },
57  {
58    "name": "Question 5",
59    "desc": "Which of the following approach should be used to ask Data Analysis question ?",
60    "ans": "b",
61    "opt": {
62      "a": " Find only one solution for particular problem",
63      "b": " Find out the question which is to be answered",
64      "c": " Find out answer from dataset without asking question",
65      "d": " None of the mentioned"
66    }
67  },
68  {
69    "name": "Question 6",
70    "desc": "Which of the following is one of the key data science skill ?",
71    "ans": "d",
72    "opt": {
73      "a": " Statistics",
74      "b": " Machine Learning",
75      "c": " Data Visualization",
76      "d": " All of the Mentioned"
77    }
78  },
79  {
80    "name": "Question 7",
81    "desc": "Which of the following is key characteristic of hacker ?",
82    "ans": "b",
83    "opt": {
84      "a": " Afraid to say they don�t know the answer",
85      "b": " Willing to find answers on their own",
86      "c": " Not Willing to find answers on their own",
87      "d": " All of the mentioned"
88    }
89  },
90  {
91    "name": "Question 8",
92    "desc": "Which of the following is characteristic of Processed Data ?",
93    "ans": "b",
94    "opt": {
95      "a": " Data is not ready for analysis",
96      "b": " All steps should be noted",
97      "c": " Hard to use for data analysis",
98      "d": " None of the mentioned"
99    }
100  },
101  {
102    "name": "Question 9",
103    "desc": "Raw data should be processed only one time.",
104    "ans": "b",
105    "opt": {
106      "a": "UE",
107      "b": "LSE",
108      "c": "ne",
109      "d": "ne"
110    }
111  },
112  {
113    "name": "Question 10",
114    "desc": "Which of the following principle is incorrectly represented in the below figure ?",
115    "ans": "d",
116    "opt": {
117      "a": "",
118      "b": " Show Comparisons",
119      "c": " Integrate Evidence",
120      "d": " Describe Evidence"
121    }
122  },
123  {
124    "name": "Question 11",
125    "desc": "Point out the correct statement :",
126    "ans": "a",
127    "opt": {
128      "a": " Least square is an estimation tool",
129      "b": " Least square problems falls in to three categories",
130      "c": " Compound least square is one of the category of least square",
131      "d": " None of the Mentioned"
132    }
133  },
134  {
135    "name": "Question 12",
136    "desc": "How many principles of analytical graphs exist ?",
137    "ans": "c",
138    "opt": {
139      "a": " 3",
140      "b": " 4",
141      "c": " 6",
142      "d": " None of the Mentioned"
143    }
144  },
145  {
146    "name": "Question 13",
147    "desc": "Which of the following is not a step in data analysis ?",
148    "ans": "d",
149    "opt": {
150      "a": " Obtain the data",
151      "b": " Clean the data",
152      "c": " EDA",
153      "d": " None of the Mentioned"
154    }
155  },
156  {
157    "name": "Question 14",
158    "desc": "Point out the wrong statement:",
159    "ans": "a",
160    "opt": {
161      "a": " Simple linear regression is equipped to handle more than one predictor",
162      "b": " Compound linear regression is not equipped to handle more than one predictor",
163      "c": " Linear regression consists of finding the best-fitting straight line through the points",
164      "d": " All of the Mentioned"
165    }
166  },
167  {
168    "name": "Question 15",
169    "desc": "Which of the following technique comes under practical machine learning ?",
170    "ans": "b",
171    "opt": {
172      "a": " Bagging",
173      "b": " Boosting",
174      "c": " Forecasting",
175      "d": " None of the Mentioned"
176    }
177  },
178  {
179    "name": "Question 16",
180    "desc": "Data Products shown in the below figure is built using which programming language ?",
181    "ans": "c",
182    "opt": {
183      "a": "",
184      "b": " S",
185      "c": " Python",
186      "d": " R"
187    }
188  },
189  {
190    "name": "Question 17",
191    "desc": "Which of the following technique is also referred to as Bagging ?",
192    "ans": "a",
193    "opt": {
194      "a": " Bootstrap aggregating",
195      "b": " Bootstrap subsetting",
196      "c": " Bootstrap predicting",
197      "d": " All of the Mentioned"
198    }
199  },
200  {
201    "name": "Question 18",
202    "desc": "Which of the following is characteristic of Raw Data ?",
203    "ans": "b",
204    "opt": {
205      "a": " Data is ready for analysis",
206      "b": " Original version of data",
207      "c": " Easy to use for data analysis",
208      "d": " None of the Mentioned"
209    }
210  },
211  {
212    "name": "Question 19",
213    "desc": "Standard normal RVs are always labelled as Z.",
214    "ans": "b",
215    "opt": {
216      "a": "UE",
217      "b": "LSE",
218      "c": "ne",
219      "d": "ne"
220    }
221  },
222  {
223    "name": "Question 20",
224    "desc": "Which of the following CLI command can also be used to rename files ?",
225    "ans": "b",
226    "opt": {
227      "a": " rm",
228      "b": " mv",
229      "c": " rm -r",
230      "d": " none of the mentioned"
231    }
232  },
233  {
234    "name": "Question 21",
235    "desc": "Point out the correct statement :",
236    "ans": "b",
237    "opt": {
238      "a": " CLI can help you to organize messages",
239      "b": " CLI can help you to organize files and folders",
240      "c": " Navigation of directory is possible using CLI",
241      "d": " None of the Mentioned"
242    }
243  },
244  {
245    "name": "Question 22",
246    "desc": "Which of the following command allows you to change directory to one level above your parent directory ?",
247    "ans": "c",
248    "opt": {
249      "a": " cd",
250      "b": " cd.",
251      "c": " cd..",
252      "d": " none of the Mentioned"
253    }
254  },
255  {
256    "name": "Question 23",
257    "desc": "Which of the following is not a CLI command ?",
258    "ans": "a",
259    "opt": {
260      "a": " delete",
261      "b": " rm",
262      "c": " clear",
263      "d": " none of the Mentioned"
264    }
265  },
266  {
267    "name": "Question 24",
268    "desc": "Point out the wrong statement:",
269    "ans": "b",
270    "opt": {
271      "a": " Command is the CLI command which does a specific task",
272      "b": " There is one and only flag for every command in CLI",
273      "c": " Flags are the options given to command for activating particular behaviour",
274      "d": " All of the Mentioned"
275    }
276  },
277  {
278    "name": "Question 25",
279    "desc": "Which of the following systems record changes to a file over time ?",
280    "ans": "b",
281    "opt": {
282      "a": " Record Control",
283      "b": " Version Control",
284      "c": " Forecast Control",
285      "d": " None of the mentioned"
286    }
287  },
288  {
289    "name": "Question 26",
290    "desc": "Which of the following is a revision control system ?",
291    "ans": "a",
292    "opt": {
293      "a": " Git",
294      "b": " NumPy",
295      "c": " Slidify",
296      "d": " None of the mentioned"
297    }
298  },
299  {
300    "name": "Question 27",
301    "desc": "Which of the following command line environment is used for interacting with Git ?",
302    "ans": "b",
303    "opt": {
304      "a": " GitHub",
305      "b": " Git Bash",
306      "c": " Git Boot",
307      "d": " All of the mentioned"
308    }
309  },
310  {
311    "name": "Question 28",
312    "desc": "Which of the following web hosting service use Git control system ?",
313    "ans": "a",
314    "opt": {
315      "a": " GitHub",
316      "b": " Open Hash",
317      "c": " Git Bash",
318      "d": " None of the mentioned"
319    }
320  },
321  {
322    "name": "Question 29",
323    "desc": "cp command can be used to copy the content of directories.",
324    "ans": "a",
325    "opt": {
326      "a": "UE",
327      "b": "LSE",
328      "c": "ne",
329      "d": "ne"
330    }
331  },
332  {
333    "name": "Question 30",
334    "desc": "Which of the following adds all new files to local repository ?",
335    "ans": "d",
336    "opt": {
337      "a": " git add .",
338      "b": " git add -u",
339      "c": " git add -A",
340      "d": " none of the Mentioned"
341    }
342  },
343  {
344    "name": "Question 31",
345    "desc": "Point out the correct statement :",
346    "ans": "b",
347    "opt": {
348      "a": " You don�t need GitHub to use Git",
349      "b": " CLI can help you to organize files and folders",
350      "c": " Navigation of directory is possible using CLI",
351      "d": " None of the Mentioned"
352    }
353  },
354  {
355    "name": "Question 32",
356    "desc": "Which of the following command updates tracking for files that are modified ?",
357    "ans": "b",
358    "opt": {
359      "a": " git add .",
360      "b": " git add -u",
361      "c": " git add -A",
362      "d": " none of the Mentioned"
363    }
364  },
365  {
366    "name": "Question 33",
367    "desc": "Which of the following command is used to give message description ?",
368    "ans": "a",
369    "opt": {
370      "a": " git command -m",
371      "b": " git command -d",
372      "c": " git command -message",
373      "d": " none of the Mentioned"
374    }
375  },
376  {
377    "name": "Question 34",
378    "desc": "Point out the wrong statement:",
379    "ans": "a",
380    "opt": {
381      "a": " You need GitHub to use Git",
382      "b": " GitHub allows you to share repositories with others",
383      "c": " GitHub allows you to access others repositories",
384      "d": " All of the Mentioned"
385    }
386  },
387  {
388    "name": "Question 35",
389    "desc": "Which of the following command allows you to update the repository ?",
390    "ans": "a",
391    "opt": {
392      "a": " push",
393      "b": " pop",
394      "c": " update",
395      "d": " none of the Mentioned"
396    }
397  },
398  {
399    "name": "Question 36",
400    "desc": "Which of the following is correct way of creating GitHub repository in to well labelled commits ?",
401    "ans": "a",
402    "opt": {
403      "a": " Fork another user�s repository",
404      "b": " Pop another user�s repository",
405      "c": " Zip another user�s repository",
406      "d": " None of the Mentioned"
407    }
408  },
409  {
410    "name": "Question 37",
411    "desc": "Which of the following command is used to squash the commits  ?",
412    "ans": "a",
413    "opt": {
414      "a": " rebase",
415      "b": " squash",
416      "c": " boot",
417      "d": " all of the Mentioned"
418    }
419  },
420  {
421    "name": "Question 38",
422    "desc": "Which of the following statement would create branch named as �sanfoundry� ?",
423    "ans": "a",
424    "opt": {
425      "a": " git checkout -b sanfoundry",
426      "b": " git checkout -c sanfoundry",
427      "c": " git check -b sanfoundry",
428      "d": " none of the Mentioned"
429    }
430  },
431  {
432    "name": "Question 39",
433    "desc": "branch command is used to determine which branch you are currently in.",
434    "ans": "a",
435    "opt": {
436      "a": "UE",
437      "b": "LSE",
438      "c": "ne",
439      "d": "ne"
440    }
441  },
442  {
443    "name": "Question 40",
444    "desc": "Which of the following principle characteristic is odd man out in the below figure ?",
445    "ans": "c",
446    "opt": {
447      "a": "",
448      "b": " Principle 1",
449      "c": " Principle 2",
450      "d": " Principle 3"
451    }
452  },
453  {
454    "name": "Question 41",
455    "desc": "Point out the correct statement :",
456    "ans": "b",
457    "opt": {
458      "a": " Descriptive analysis is first kind of data analysis performed",
459      "b": " Descriptions can be generalized without statistical modelling",
460      "c": " Description and Interpretation are same in descriptive analysis",
461      "d": " None of the Mentioned"
462    }
463  },
464  {
465    "name": "Question 42",
466    "desc": "Which of the following allows you to find the relationship you didn�t about ?",
467    "ans": "b",
468    "opt": {
469      "a": " Inferential",
470      "b": " Exploratory",
471      "c": " Causal",
472      "d": " None of the Mentioned"
473    }
474  },
475  {
476    "name": "Question 43",
477    "desc": "Which of the following command help us to give message description ?",
478    "ans": "a",
479    "opt": {
480      "a": " git command -m",
481      "b": " git command -d",
482      "c": " git command -message",
483      "d": " none of the Mentioned"
484    }
485  },
486  {
487    "name": "Question 44",
488    "desc": "Point out the wrong statement:",
489    "ans": "a",
490    "opt": {
491      "a": " Exploratory analyses are usually the final way",
492      "b": " Exploratory models are useful for discovering new connection",
493      "c": " Exploratory analysis alone should not be used for predicting",
494      "d": " All of the Mentioned"
495    }
496  },
497  {
498    "name": "Question 45",
499    "desc": "Which of the following uses data on some object to predict values for other object ?",
500    "ans": "c",
501    "opt": {
502      "a": " Inferential",
503      "b": " Exploratory",
504      "c": " Predictive",
505      "d": " None of the Mentioned"
506    }
507  },
508  {
509    "name": "Question 46",
510    "desc": "Which of the following is common goal of statistical modelling ?",
511    "ans": "a",
512    "opt": {
513      "a": " Inference",
514      "b": " Summarizing",
515      "c": " Subsetting",
516      "d": " None of the Mentioned"
517    }
518  },
519  {
520    "name": "Question 47",
521    "desc": "Which of the following model is usually gold standard for data analysis ?",
522    "ans": "c",
523    "opt": {
524      "a": " Inferential",
525      "b": " Descriptive",
526      "c": " Causal",
527      "d": " All of the Mentioned"
528    }
529  },
530  {
531    "name": "Question 48",
532    "desc": "Which of the following analysis should come in place of question mark in the below figure ?",
533    "ans": "a",
534    "opt": {
535      "a": "",
536      "b": " Inferential",
537      "c": " Exploratory",
538      "d": " Causal"
539    }
540  },
541  {
542    "name": "Question 49",
543    "desc": "Causal analysis is commonly applied to census data.",
544    "ans": "b",
545    "opt": {
546      "a": "ue",
547      "b": "LSE",
548      "c": "ne",
549      "d": "ne"
550    }
551  },
552  {
553    "name": "Question 50",
554    "desc": "Which of the following type of data science question is missing in the figure ?",
555    "ans": "b",
556    "opt": {
557      "a": "",
558      "b": " Correlative",
559      "c": " Exploratory",
560      "d": " Relative"
561    }
562  },
563  {
564    "name": "Question 51",
565    "desc": "Point out the correct statement:",
566    "ans": "b",
567    "opt": {
568      "a": " Descriptive analysis can be more useful for defining future studies",
569      "b": " Correlation does imply causation",
570      "c": " Inference is commonly the goal of statistical model",
571      "d": " None of the Mentioned"
572    }
573  },
574  {
575    "name": "Question 52",
576    "desc": "Which of the following uses relatively small amount of data to estimate about bigger population ?",
577    "ans": "a",
578    "opt": {
579      "a": " Inferential",
580      "b": " Exploratory",
581      "c": " Causal",
582      "d": " None of the Mentioned"
583    }
584  },
585  {
586    "name": "Question 53",
587    "desc": "Which of the following analysis helps out to find the effect of variable change ?",
588    "ans": "c",
589    "opt": {
590      "a": " Inferential",
591      "b": " Exploratory",
592      "c": " Causal",
593      "d": " None of the Mentioned"
594    }
595  },
596  {
597    "name": "Question 54",
598    "desc": "Point out the correct statement:",
599    "ans": "c",
600    "opt": {
601      "a": " Exploratory analyses are not usually the final way",
602      "b": " Inferential models are useful for discovering new connection",
603      "c": " Inference involves estimating uncertainty",
604      "d": " All of the Mentioned"
605    }
606  },
607  {
608    "name": "Question 55",
609    "desc": "Which of the following relationship are usually identified as average effects ?",
610    "ans": "b",
611    "opt": {
612      "a": " Descriptive",
613      "b": " Causal",
614      "c": " Predictive",
615      "d": " None of the Mentioned"
616    }
617  },
618  {
619    "name": "Question 56",
620    "desc": "Which of the following is more applicable to the below figure ?",
621    "ans": "a",
622    "opt": {
623      "a": "",
624      "b": " Descriptive",
625      "c": " Causal",
626      "d": " Predictive"
627    }
628  },
629  {
630    "name": "Question 57",
631    "desc": "Which of the following analysis is usually modeled by deterministic set of equations ?",
632    "ans": "c",
633    "opt": {
634      "a": " Predictive",
635      "b": " Causal",
636      "c": " Mechanistic",
637      "d": " All of the mentioned"
638    }
639  },
640  {
641    "name": "Question 58",
642    "desc": "Which of the following analysis are incredibly hard to infer ?",
643    "ans": "d",
644    "opt": {
645      "a": " Inferential",
646      "b": " Exploratory",
647      "c": " Causal",
648      "d": " Mechanistic"
649    }
650  },
651  {
652    "name": "Question 59",
653    "desc": "Accurate prediction depends heavily on measuring right variables.\r",
654    "ans": "a",
655    "opt": {
656      "a": "ue",
657      "b": "LSE",
658      "c": "ne",
659      "d": "ne"
660    }
661  },
662  {
663    "name": "Question 60",
664    "desc": "Which of the following term is appropriate to the below figure ?",
665    "ans": "b",
666    "opt": {
667      "a": "",
668      "b": " Large Data",
669      "c": " Big Data",
670      "d": " Dark Data"
671    }
672  },
673  {
674    "name": "Question 61",
675    "desc": "Point out the correct statement:",
676    "ans": "d",
677    "opt": {
678      "a": " Machine learning focuses on prediction, based on known properties learned from the training data",
679      "b": " Data Cleaning focuses on prediction, based on known properties learned from the training data.",
680      "c": " Representing data in a form which both mere mortals can understand and get valuable insights is as much a science as much as it is art",
681      "d": " None of the Mentioned"
682    }
683  },
684  {
685    "name": "Question 62",
686    "desc": "Which of the following characteristic of big data is relatively more concerned to data science ?",
687    "ans": "b",
688    "opt": {
689      "a": " Velocity",
690      "b": " Variety",
691      "c": " Volume",
692      "d": " None of the Mentioned"
693    }
694  },
695  {
696    "name": "Question 63",
697    "desc": "Which of the following analytical capabilities are provide by information management company ?",
698    "ans": "d",
699    "opt": {
700      "a": " Stream Computing",
701      "b": " Content Management",
702      "c": " Information Integration",
703      "d": " All of the Mentioned"
704    }
705  },
706  {
707    "name": "Question 64",
708    "desc": "Point out the wrong statement:",
709    "ans": "c",
710    "opt": {
711      "a": " The big volume indeed represents Big Data",
712      "b": " The data growth and social media explosion have changed how we look at the data",
713      "c": " Big Data is just about lots of data",
714      "d": " All of the Mentioned"
715    }
716  },
717  {
718    "name": "Question 65",
719    "desc": "Which of the following step is performed by data scientist after acquiring the data ?",
720    "ans": "a",
721    "opt": {
722      "a": " Data Cleansing",
723      "b": " Data Integration",
724      "c": " Data Replication",
725      "d": " All of the Mentioned"
726    }
727  },
728  {
729    "name": "Question 66",
730    "desc": "3Vs are not sufficient To describe big data.\r",
731    "ans": "a",
732    "opt": {
733      "a": "ue",
734      "b": "LSE",
735      "c": "ne",
736      "d": "ne"
737    }
738  },
739  {
740    "name": "Question 67",
741    "desc": "Which of the following focuses on the discovery of (previously) unknown properties on the data ?",
742    "ans": "a",
743    "opt": {
744      "a": " Data mining",
745      "b": " Big Data",
746      "c": " Data wrangling",
747      "d": " Machine Learning"
748    }
749  },
750  {
751    "name": "Question 68",
752    "desc": "Which of the following language should be replaced with the question mark in the below figure ?",
753    "ans": "a",
754    "opt": {
755      "a": "",
756      "b": " Java",
757      "c": " PHP",
758      "d": " COBOL"
759    }
760  },
761  {
762    "name": "Question 69",
763    "desc": "Beyond Volume, Variety and Velocity is the Issue of Big Data Veracity",
764    "ans": "a",
765    "opt": {
766      "a": "ue",
767      "b": "LSE",
768      "c": "ne",
769      "d": "ne"
770    }
771  },
772  {
773    "name": "Question 70",
774    "desc": "Which of the following design term is perfectly applicable to the below figure ?",
775    "ans": "b",
776    "opt": {
777      "a": "",
778      "b": " Correlation",
779      "c": " Confounding",
780      "d": " Causation"
781    }
782  },
783  {
784    "name": "Question 71",
785    "desc": "Point out the correct statement:",
786    "ans": "a",
787    "opt": {
788      "a": " If equations are known but the parameters are not,they may be inferred with data analysis",
789      "b": " If equations are not known but the parameters are,they may be inferred with data analysis",
790      "c": " If equations and parameter are not,they may be inferred with data analysis",
791      "d": " None of the Mentioned"
792    }
793  },
794  {
795    "name": "Question 72",
796    "desc": "Which of the following is the top most important thing in data science ?",
797    "ans": "b",
798    "opt": {
799      "a": " answer",
800      "b": " question",
801      "c": " data",
802      "d": " none of the Mentioned"
803    }
804  },
805  {
806    "name": "Question 73",
807    "desc": "Which of the following approach should be used if you can�t fix the variable ?",
808    "ans": "a",
809    "opt": {
810      "a": " randomize it",
811      "b": " non stratify it",
812      "c": " generalize it",
813      "d": " none of the Mentioned"
814    }
815  },
816  {
817    "name": "Question 74",
818    "desc": "Point out the wrong statement:",
819    "ans": "a",
820    "opt": {
821      "a": " Randomized studies are not used to identify causation",
822      "b": " Complication approached exist for inferring causation",
823      "c": " Causal relationships may not apply to every individual",
824      "d": " All of the Mentioned"
825    }
826  },
827  {
828    "name": "Question 75",
829    "desc": "Which of the following is good way of performing experiments in data science ?",
830    "ans": "d",
831    "opt": {
832      "a": " Measure variability",
833      "b": " Generalize to the problem",
834      "c": " Have Replication",
835      "d": " All of the Mentioned"
836    }
837  },
838  {
839    "name": "Question 76",
840    "desc": "Which of the following is commonly referred to as �data fishing� ?",
841    "ans": "d",
842    "opt": {
843      "a": " Data bagging",
844      "b": " Data booting",
845      "c": " Data merging",
846      "d": " None of the Mentioned"
847    }
848  },
849  {
850    "name": "Question 77",
851    "desc": "Which of the following data mining technique is used to uncover patterns in data ?",
852    "ans": "d",
853    "opt": {
854      "a": " Data bagging",
855      "b": " Data booting",
856      "c": " Data merging",
857      "d": " Data Dredging"
858    }
859  },
860  {
861    "name": "Question 78",
862    "desc": "If X predicts Y,it does mean X causes Y.",
863    "ans": "b",
864    "opt": {
865      "a": "ue",
866      "b": "LSE",
867      "c": "ne",
868      "d": "ne"
869    }
870  },
871  {
872    "name": "Question 79",
873    "desc": "Which of the following operations are supported on Time Frames ?",
874    "ans": "a",
875    "opt": {
876      "a": " idxmax",
877      "b": " ixmax",
878      "c": " ixmin",
879      "d": " none of the Mentioned"
880    }
881  },
882  {
883    "name": "Question 80",
884    "desc": "Point out the correct statement:",
885    "ans": "a",
886    "opt": {
887      "a": " Timedeltas are differences in times, expressed in difference units",
888      "b": " You can construct a Timedelta scalar through various argument",
889      "c": " DateOffsets cannot be used in construction",
890      "d": " All of the Mentioned"
891    }
892  },
893  {
894    "name": "Question 81",
895    "desc": "Numeric reduction operation for timedelta64[ns] will return _________ objects.",
896    "ans": "c",
897    "opt": {
898      "a": " Timeseries",
899      "b": " Timeplus",
900      "c": " Timedelta",
901      "d": " None of the Mentioned"
902    }
903  },
904  {
905    "name": "Question 82",
906    "desc": "Which of the following scalars can be converted to other �frequencies� by astyping to a specific timedelta type?",
907    "ans": "d",
908    "opt": {
909      "a": " Timedelta Series",
910      "b": " TimedeltaIndex",
911      "c": " Timedelta",
912      "d": " All of the Mentioned"
913    }
914  },
915  {
916    "name": "Question 83",
917    "desc": "Point out the wrong statement:",
918    "ans": "b",
919    "opt": {
920      "a": " min, max, idxmin, idxmax operations are supported on Series",
921      "b": " You cannot pass a timedelta to get a particular value",
922      "c": " Division by the numpy scalar is true division",
923      "d": " None of the Mentioned"
924    }
925  },
926  {
927    "name": "Question 84",
928    "desc": "Which of the following is used to generate an index with time delta ?",
929    "ans": "b",
930    "opt": {
931      "a": " TimeIndex",
932      "b": " TimedeltaIndex",
933      "c": " LeadIndex",
934      "d": " None of the Mentioned"
935    }
936  },
937  {
938    "name": "Question 85",
939    "desc": "Combination of TimedeltaIndex with DatetimeIndex allow certain combination operations that are NaT preserving.",
940    "ans": "a",
941    "opt": {
942      "a": "ue",
943      "b": "LSE",
944      "c": "ne",
945      "d": "ne"
946    }
947  },
948  {
949    "name": "Question 86",
950    "desc": "Using _________ on categorical data will produce similar output to a Series or DataFrame of type string.",
951    "ans": "b",
952    "opt": {
953      "a": " .desc()",
954      "b": " .describe()",
955      "c": " .rank()",
956      "d": " none of the Mentioned"
957    }
958  },
959  {
960    "name": "Question 87",
961    "desc": "Which of the following method can be used to rename categorical data ?",
962    "ans": "a",
963    "opt": {
964      "a": " Categorical.rename_categories()",
965      "b": " Categorical.rename()",
966      "c": "  Categorical.mv_categories()",
967      "d": " None of the Mentioned"
968    }
969  },
970  {
971    "name": "Question 88",
972    "desc": "All values of categorical data are either in categories or np.nan.",
973    "ans": "a",
974    "opt": {
975      "a": "ue",
976      "b": "LSE",
977      "c": "ne",
978      "d": "ne"
979    }
980  },
981  {
982    "name": "Question 89",
983    "desc": "The plot method on Series and DataFrame is just a simple wrapper around :",
984    "ans": "b",
985    "opt": {
986      "a": " gplt.plot()",
987      "b": " plt.plot()",
988      "c": " plt.plotgraph()",
989      "d": " none of the Mentioned"
990    }
991  },
992  {
993    "name": "Question 90",
994    "desc": "Point out the correct combination with regards to kind keyword for graph plotting:",
995    "ans": "d",
996    "opt": {
997      "a": " �hist� for histogram",
998      "b": " �box� for boxplot",
999      "c": " �area� for area plots",
1000      "d": " all of the Mentioned"
1001    }
1002  },
1003  {
1004    "name": "Question 91",
1005    "desc": "Which of the following value is provided by kind keyword for barplot ?",
1006    "ans": "a",
1007    "opt": {
1008      "a": " barh",
1009      "b": " kde",
1010      "c": " hexbin",
1011      "d": " none of the Mentioned"
1012    }
1013  },
1014  {
1015    "name": "Question 92",
1016    "desc": "You can create a scatter plot matrix using the __________ method in pandas.tools.plotting.",
1017    "ans": "b",
1018    "opt": {
1019      "a": " sca_matrix",
1020      "b": " scatter_matrix",
1021      "c": " DataFrame.plot",
1022      "d": " all of the Mentioned"
1023    }
1024  },
1025  {
1026    "name": "Question 93",
1027    "desc": "Point out the wrong combination with regards to kind keyword for graph plotting:",
1028    "ans": "b",
1029    "opt": {
1030      "a": " �scatter� for scatter plots",
1031      "b": " �kde� for hexagonal bin plots",
1032      "c": " �pie� for pie plots",
1033      "d": " none of the Mentioned"
1034    }
1035  },
1036  {
1037    "name": "Question 94",
1038    "desc": "Which of the following plots are used to check if a data set or time series is random ?",
1039    "ans": "a",
1040    "opt": {
1041      "a": " Lag",
1042      "b": " Random",
1043      "c": " Lead",
1044      "d": " None of the Mentioned"
1045    }
1046  },
1047  {
1048    "name": "Question 95",
1049    "desc": "Plots may also be adorned with error bars or tables.",
1050    "ans": "a",
1051    "opt": {
1052      "a": "ue",
1053      "b": "LSE",
1054      "c": "ne",
1055      "d": "ne"
1056    }
1057  },
1058  {
1059    "name": "Question 96",
1060    "desc": "Which of the following plots are often used for checking randomness in time series ?",
1061    "ans": "c",
1062    "opt": {
1063      "a": " Autocausation",
1064      "b": " Autorank",
1065      "c": " Autocorrelation",
1066      "d": " None of the Mentioned"
1067    }
1068  },
1069  {
1070    "name": "Question 97",
1071    "desc": "__________ plots are used to visually assess the uncertainty of a statistic.",
1072    "ans": "c",
1073    "opt": {
1074      "a": " Lag",
1075      "b": " RadViz",
1076      "c": " Bootstrap",
1077      "d": " None of the Mentioned"
1078    }
1079  },
1080  {
1081    "name": "Question 98",
1082    "desc": "Andrews curves allow one to plot multivariate data.\ra) True\rb) False\rView Answer",
1083    "ans": "a",
1084    "opt": {
1085      "a": "",
1086      "b": "",
1087      "c": "",
1088      "d": ""
1089    }
1090  },
1091  {
1092    "name": "Question 99",
1093    "desc": "Which of the following is used to compute the percent change over a given number of periods ?",
1094    "ans": "a",
1095    "opt": {
1096      "a": " pct_change",
1097      "b": " percent_change",
1098      "c": " per_change",
1099      "d": " none of the Mentioned"
1100    }
1101  },
1102  {
1103    "name": "Question 100",
1104    "desc": "Point out the correct statement:",
1105    "ans": "c",
1106    "opt": {
1107      "a": " Pandas represents timestamps in microsecond resolution",
1108      "b": " Pandas is 100% thread safe",
1109      "c": " For Series and DataFrame objects, var normalizes by N-1 to produce unbiased estimates",
1110      "d": " All of the Mentioned"
1111    }
1112  },
1113  {
1114    "name": "Question 101",
1115    "desc": "Which of the following object has a method cov to compute covariance between series ?",
1116    "ans": "a",
1117    "opt": {
1118      "a": " Series",
1119      "b": " DataFrame",
1120      "c": " Panel",
1121      "d": " None of the Mentioned"
1122    }
1123  },
1124  {
1125    "name": "Question 102",
1126    "desc": "Which of the following specifies the required minimum number of observations for each column pair in order to have a valid result ?",
1127    "ans": "a",
1128    "opt": {
1129      "a": " min_periods",
1130      "b": " max_periods",
1131      "c": " minimum_periods",
1132      "d": " all of the Mentioned"
1133    }
1134  },
1135  {
1136    "name": "Question 103",
1137    "desc": "Point out the wrong statement:",
1138    "ans": "c",
1139    "opt": {
1140      "a": " lxml is very fast",
1141      "b": " lxml requires Cython to install correctly",
1142      "c": " lxml does not make any guarantees about the results of it�s parse",
1143      "d": " none of the Mentioned"
1144    }
1145  },
1146  {
1147    "name": "Question 104",
1148    "desc": "Which of the following is implemented on DataFrame to compute the correlation between like-labeled Series contained in different DataFrame objects ?",
1149    "ans": "a",
1150    "opt": {
1151      "a": " corrwith",
1152      "b": " corwith",
1153      "c": " corwit",
1154      "d": " none of the Mentioned"
1155    }
1156  },
1157  {
1158    "name": "Question 105",
1159    "desc": "rolling_count function gives number of non-null observations.",
1160    "ans": "b",
1161    "opt": {
1162      "a": "ue",
1163      "b": "LSE",
1164      "c": "ne",
1165      "d": "ne"
1166    }
1167  },
1168  {
1169    "name": "Question 106",
1170    "desc": "Which of the following method produces a data ranking with ties being assigned the mean of the ranks for the group ?",
1171    "ans": "a",
1172    "opt": {
1173      "a": " rank",
1174      "b": " dense_rank",
1175      "c": " partition_rank",
1176      "d": " none of the Mentioned"
1177    }
1178  },
1179  {
1180    "name": "Question 107",
1181    "desc": "Which of the following can potentially change the dtype of a Series ?",
1182    "ans": "a",
1183    "opt": {
1184      "a": " reindex_like",
1185      "b": " index_like",
1186      "c": " itime_like",
1187      "d": " none of the Mentioned"
1188    }
1189  },
1190  {
1191    "name": "Question 108",
1192    "desc": "cov and corr supports the optional min_periods keyword.\r",
1193    "ans": "a",
1194    "opt": {
1195      "a": "ue",
1196      "b": "LSE",
1197      "c": "ne",
1198      "d": "ne"
1199    }
1200  },
1201  {
1202    "name": "Question 109",
1203    "desc": "Which of the following thing can be data in Pandas ?",
1204    "ans": "d",
1205    "opt": {
1206      "a": " a python dict",
1207      "b": " an ndarray",
1208      "c": " a scalar value",
1209      "d": " all of the Mentioned"
1210    }
1211  },
1212  {
1213    "name": "Question 110",
1214    "desc": "Point out the correct statement:",
1215    "ans": "b",
1216    "opt": {
1217      "a": " If data is a list, if index is passed the values in data corresponding to the labels in the index will be pulled out",
1218      "b": " NaN is the standard missing data marker used in pandas",
1219      "c": " Series acts very similarly to a array",
1220      "d": " None of the Mentioned"
1221    }
1222  },
1223  {
1224    "name": "Question 111",
1225    "desc": "The result of an operation between unaligned Series will have the ________ of the indexes involved.",
1226    "ans": "b",
1227    "opt": {
1228      "a": " intersection",
1229      "b": " union",
1230      "c": " total",
1231      "d": " all of the Mentioned"
1232    }
1233  },
1234  {
1235    "name": "Question 112",
1236    "desc": "Which of the following input can be accepted by DataFrame ?",
1237    "ans": "d",
1238    "opt": {
1239      "a": " Structured ndarray",
1240      "b": " Series",
1241      "c": " DataFrame",
1242      "d": " All of the Mentioned"
1243    }
1244  },
1245  {
1246    "name": "Question 113",
1247    "desc": "Point out the wrong statement:",
1248    "ans": "a",
1249    "opt": {
1250      "a": " A DataFrame is like a fixed-size dict in that you can get and set values by index label",
1251      "b": " Series can be be passed into most NumPy methods expecting an ndarray",
1252      "c": " A key difference between Series and ndarray is that operations between Series automatically align the data based on label",
1253      "d": " None of the Mentioned"
1254    }
1255  },
1256  {
1257    "name": "Question 114",
1258    "desc": "Which of the following takes a dict of dicts or a dict of array-like sequences and returns a DataFrame ?",
1259    "ans": "a",
1260    "opt": {
1261      "a": " DataFrame.from_items",
1262      "b": " DataFrame.from_records",
1263      "c": " DataFrame.from_dict",
1264      "d": " All of the Mentioned"
1265    }
1266  },
1267  {
1268    "name": "Question 115",
1269    "desc": "Series is a one-dimensional labeled array capable of holding any data type.",
1270    "ans": "a",
1271    "opt": {
1272      "a": "ue",
1273      "b": "LSE",
1274      "c": "ne",
1275      "d": "ne"
1276    }
1277  },
1278  {
1279    "name": "Question 116",
1280    "desc": "Which of the following works analogously to the form of the dict constructor ?",
1281    "ans": "a",
1282    "opt": {
1283      "a": " DataFrame.from_items",
1284      "b": " DataFrame.from_records",
1285      "c": " DataFrame.from_dict",
1286      "d": " All of the Mentioned"
1287    }
1288  },
1289  {
1290    "name": "Question 117",
1291    "desc": "Which of the following operation works with the same syntax as the analogous dict operations ?",
1292    "ans": "d",
1293    "opt": {
1294      "a": " Getting columns",
1295      "b": " Setting columns",
1296      "c": " Deleting columns",
1297      "d": " All of the Mentioned"
1298    }
1299  },
1300  {
1301    "name": "Question 118",
1302    "desc": "If data is an ndarray, index must be the same length as data.",
1303    "ans": "a",
1304    "opt": {
1305      "a": "ue",
1306      "b": "LSE",
1307      "c": "ne",
1308      "d": "ne"
1309    }
1310  },
1311  {
1312    "name": "Question 119",
1313    "desc": "All pandas data structures are ___-mutable but not always _______-mutable.",
1314    "ans": "c",
1315    "opt": {
1316      "a": " size,value",
1317      "b": " semantic,size",
1318      "c": " value,size",
1319      "d": " none of the Mentioned"
1320    }
1321  },
1322  {
1323    "name": "Question 120",
1324    "desc": "Point out the correct statement:",
1325    "ans": "d",
1326    "opt": {
1327      "a": " Pandas consist of set of labeled array data structures",
1328      "b": " Pandas consist of an integrated group by engine for aggregating and transforming data sets",
1329      "c": " Pandas consist of moving window statistics",
1330      "d": " All of the Mentioned"
1331    }
1332  },
1333  {
1334    "name": "Question 121",
1335    "desc": "Which of the following statement will import pandas?",
1336    "ans": "a",
1337    "opt": {
1338      "a": " import pandas as pd",
1339      "b": " import panda as py",
1340      "c": " import pandaspy as pd",
1341      "d": " all of the Mentioned"
1342    }
1343  },
1344  {
1345    "name": "Question 122",
1346    "desc": "Which of the following object you get after reading CSV file?",
1347    "ans": "a",
1348    "opt": {
1349      "a": " DataFrame",
1350      "b": " Character Vector",
1351      "c": " Panel",
1352      "d": " All of the Mentioned"
1353    }
1354  },
1355  {
1356    "name": "Question 123",
1357    "desc": "Point out the wrong statement:",
1358    "ans": "d",
1359    "opt": {
1360      "a": " Series is 1D labeled homogeneously-typed array",
1361      "b": " DataFrame is general 2D labeled, size-mutable tabular structure with potentially heterogeneously-typed columns",
1362      "c": " Panel is generally 2D labeled, also size-mutable array",
1363      "d": " None of the Mentioned"
1364    }
1365  },
1366  {
1367    "name": "Question 124",
1368    "desc": "Which of the following library is similar to Pandas ?",
1369    "ans": "a",
1370    "opt": {
1371      "a": " NumPy",
1372      "b": " RPy",
1373      "c": " OutPy",
1374      "d": " None of the Mentioned"
1375    }
1376  },
1377  {
1378    "name": "Question 125",
1379    "desc": "Panel is a container for Series, and DataFrame is a container for DataFrame Objects.",
1380    "ans": "b",
1381    "opt": {
1382      "a": "ue",
1383      "b": "LSE",
1384      "c": "ne",
1385      "d": "ne"
1386    }
1387  },
1388  {
1389    "name": "Question 126",
1390    "desc": "Which of the following is prominent python �statistics and econometrics library�?",
1391    "ans": "c",
1392    "opt": {
1393      "a": " Bokeh",
1394      "b": " Seaborn",
1395      "c": " Statsmodels",
1396      "d": " None of the Mentioned"
1397    }
1398  },
1399  {
1400    "name": "Question 127",
1401    "desc": "Which of the following is a foundational exploratory visualization package for the R language in pandas ecosystem ?",
1402    "ans": "a",
1403    "opt": {
1404      "a": " yhat",
1405      "b": " Seaborn",
1406      "c": " Vincent",
1407      "d": " None of the Mentioned"
1408    }
1409  },
1410  {
1411    "name": "Question 128",
1412    "desc": "Pandas consist of static and moving window linear and panel regression.",
1413    "ans": "a",
1414    "opt": {
1415      "a": "ue",
1416      "b": "LSE",
1417      "c": "ne",
1418      "d": "ne"
1419    }
1420  },
1421  {
1422    "name": "Question 129",
1423    "desc": "Quandl API for Python wraps the ________ REST API to return Pandas DataFrames with time series indexes.",
1424    "ans": "a",
1425    "opt": {
1426      "a": " Quandl",
1427      "b": " PyDatastream",
1428      "c": " PyData",
1429      "d": " None of the Mentioned"
1430    }
1431  },
1432  {
1433    "name": "Question 130",
1434    "desc": "Point out the correct statement:",
1435    "ans": "a",
1436    "opt": {
1437      "a": " Statsmodels provides powerful statistics, econometrics, analysis and modeling functionality that is out of pandas� scope",
1438      "b": " Vintage leverages pandas objects as the underlying data container for computation",
1439      "c": " Bokeh is a Python interactive visualization library for small datasets",
1440      "d": " All of the Mentioned"
1441    }
1442  },
1443  {
1444    "name": "Question 131",
1445    "desc": "Which of the following library is used to retrieve and acquire statistical data and metadata disseminated in SDMX 2.1?",
1446    "ans": "a",
1447    "opt": {
1448      "a": " pandaSDMX",
1449      "b": " freedapi",
1450      "c": " Geopandas",
1451      "d": " All of the Mentioned"
1452    }
1453  },
1454  {
1455    "name": "Question 132",
1456    "desc": "Which of the following provides a standard API for doing computations with MongoDB?",
1457    "ans": "a",
1458    "opt": {
1459      "a": " Blaze",
1460      "b": " Geopandas",
1461      "c": " FRED",
1462      "d": " All of the Mentioned"
1463    }
1464  },
1465  {
1466    "name": "Question 133",
1467    "desc": "Point out the wrong statement:",
1468    "ans": "c",
1469    "opt": {
1470      "a": " qgrid is an interactive grid for sorting and filtering DataFrames",
1471      "b": " Pandas DataFrames implement _repr_html_ methods which are utilized by IPython Notebook",
1472      "c": " Spyder is a cross-platform Qt-based open-source R IDE",
1473      "d": " None of the Mentioned"
1474    }
1475  },
1476  {
1477    "name": "Question 134",
1478    "desc": "Which of the following makes use of pandas and returns data in a Series or DataFrame?",
1479    "ans": "b",
1480    "opt": {
1481      "a": " pandaSDMX",
1482      "b": " freedapi",
1483      "c": " OutPy",
1484      "d": " none of the Mentioned"
1485    }
1486  },
1487  {
1488    "name": "Question 135",
1489    "desc": "Spyder can introspect and display Pandas DataFrames.",
1490    "ans": "b",
1491    "opt": {
1492      "a": "ue",
1493      "b": "LSE",
1494      "c": "ne",
1495      "d": "ne"
1496    }
1497  },
1498  {
1499    "name": "Question 136",
1500    "desc": "Which of the following is used for machine learning in python?",
1501    "ans": "a",
1502    "opt": {
1503      "a": " scikit-learn",
1504      "b": " seaborn-learn",
1505      "c": " stats-learn",
1506      "d": " none of the Mentioned"
1507    }
1508  },
1509  {
1510    "name": "Question 137",
1511    "desc": "The ________ project builds on top of pandas and matplotlib to provide easy plotting of data.",
1512    "ans": "b",
1513    "opt": {
1514      "a": " yhat",
1515      "b": " Seaborn",
1516      "c": " Vincent",
1517      "d": " None of the Mentioned"
1518    }
1519  },
1520  {
1521    "name": "Question 138",
1522    "desc": "x-ray brings the labeled data power of pandas to the physical sciences.\r",
1523    "ans": "a",
1524    "opt": {
1525      "a": "ue",
1526      "b": "LSE",
1527      "c": "ne",
1528      "d": "ne"
1529    }
1530  },
1531  {
1532    "name": "Question 139",
1533    "desc": "Which of the following is the base layer for all of the sparse indexed data structures ?",
1534    "ans": "b",
1535    "opt": {
1536      "a": " SArray",
1537      "b": " SparseArray",
1538      "c": " PyArray",
1539      "d": " None of the Mentioned"
1540    }
1541  },
1542  {
1543    "name": "Question 140",
1544    "desc": "Point out the correct statement:",
1545    "ans": "d",
1546    "opt": {
1547      "a": " All of the standard pandas data structures have a to_sparse method",
1548      "b": " Any sparse object can be converted back to the standard dense form by calling to_dense",
1549      "c": " The sparse objects exist for memory efficiency reasons",
1550      "d": " All of the Mentioned"
1551    }
1552  },
1553  {
1554    "name": "Question 141",
1555    "desc": "Which of the following is not a indexed object ?",
1556    "ans": "d",
1557    "opt": {
1558      "a": " SparseSeries",
1559      "b": " SparseDataFrame",
1560      "c": " SparsePanel",
1561      "d": " None of the Mentioned"
1562    }
1563  },
1564  {
1565    "name": "Question 142",
1566    "desc": "Which of the following list-like data structure is used for managing a dynamic collection of SparseArrays ?",
1567    "ans": "a",
1568    "opt": {
1569      "a": " SparseList",
1570      "b": " GeoList",
1571      "c": " SparseSeries",
1572      "d": " All of the Mentioned"
1573    }
1574  },
1575  {
1576    "name": "Question 143",
1577    "desc": "Point out the wrong statement:",
1578    "ans": "a",
1579    "opt": {
1580      "a": " to_array. append can accept scalar values or any 2-dimensional sequence",
1581      "b": " Two kinds of SparseIndex are implemented",
1582      "c": " The integer format keeps an arrays of all of the locations where the data are not equal to the fill value",
1583      "d": " None of the Mentioned"
1584    }
1585  },
1586  {
1587    "name": "Question 144",
1588    "desc": "Which of the following method is used for transforming a SparseSeries indexed by a MultiIndex to a scipy.sparse.coo_matrix ?",
1589    "ans": "a",
1590    "opt": {
1591      "a": " SparseSeries.to_coo()",
1592      "b": " Series.to_coo()",
1593      "c": " SparseSeries.to_cooser()",
1594      "d": " None of the Mentioned"
1595    }
1596  },
1597  {
1598    "name": "Question 145",
1599    "desc": "The integer format tracks only the locations and sizes of blocks of data.",
1600    "ans": "b",
1601    "opt": {
1602      "a": "ue",
1603      "b": "LSE",
1604      "c": "ne",
1605      "d": "ne"
1606    }
1607  },
1608  {
1609    "name": "Question 146",
1610    "desc": "Which of the following is used for testing for membership in the list of column names ?",
1611    "ans": "a",
1612    "opt": {
1613      "a": " in",
1614      "b": " out",
1615      "c": " elseif",
1616      "d": " none of the Mentioned"
1617    }
1618  },
1619  {
1620    "name": "Question 147",
1621    "desc": "Which of the following indexing capabilities is used as a concise means of selecting data from a pandas object ?",
1622    "ans": "b",
1623    "opt": {
1624      "a": " In",
1625      "b": " ix",
1626      "c": " ipy",
1627      "d": " none of the Mentioned"
1628    }
1629  },
1630  {
1631    "name": "Question 148",
1632    "desc": "Pandas follows the NumPy convention of raising an error when you try to convert something to a bool.",
1633    "ans": "a",
1634    "opt": {
1635      "a": "ue",
1636      "b": "LSE",
1637      "c": "ne",
1638      "d": "ne"
1639    }
1640  },
1641  {
1642    "name": "Question 149",
1643    "desc": "Which of the following block information is odd man out ?",
1644    "ans": "b",
1645    "opt": {
1646      "a": "",
1647      "b": " Subsetting",
1648      "c": "ne",
1649      "d": " Ready for Analysis"
1650    }
1651  },
1652  {
1653    "name": "Question 150",
1654    "desc": "Point out the correct statement:",
1655    "ans": "a",
1656    "opt": {
1657      "a": " Data has only qualitative value",
1658      "b": " Data has only quantitative value",
1659      "c": " Data has both qualitative and quantitative value",
1660      "d": " None of the Mentioned"
1661    }
1662  },
1663  {
1664    "name": "Question 151",
1665    "desc": "Data that summarize all observations in a category are called __________ data.",
1666    "ans": "b",
1667    "opt": {
1668      "a": " frequency",
1669      "b": " summarized",
1670      "c": " raw",
1671      "d": " None of the Mentioned"
1672    }
1673  },
1674  {
1675    "name": "Question 152",
1676    "desc": "Which of the following is example of raw data?",
1677    "ans": "d",
1678    "opt": {
1679      "a": " original swath files generated from a sonar system",
1680      "b": " initial time-series file of temperature values",
1681      "c": " a real-time GPS-encoded navigation file",
1682      "d": " All of the Mentioned"
1683    }
1684  },
1685  {
1686    "name": "Question 153",
1687    "desc": "Point out the correct statement:",
1688    "ans": "a",
1689    "opt": {
1690      "a": " Primary data is original source of data",
1691      "b": " Secondary data is original source of data",
1692      "c": " Questions are obtained after data processing steps",
1693      "d": " None of the Mentioned"
1694    }
1695  },
1696  {
1697    "name": "Question 154",
1698    "desc": "Which of the following data is put into a formula to produce commonly accepted results?",
1699    "ans": "b",
1700    "opt": {
1701      "a": " Raw",
1702      "b": " Processed",
1703      "c": " Synchronized",
1704      "d": " All of the Mentioned"
1705    }
1706  },
1707  {
1708    "name": "Question 155",
1709    "desc": "Processing data includes subsetting,formatting and merging only.",
1710    "ans": "b",
1711    "opt": {
1712      "a": "ue",
1713      "b": "LSE",
1714      "c": "ne",
1715      "d": "ne"
1716    }
1717  },
1718  {
1719    "name": "Question 156",
1720    "desc": "Which of the following is another name for raw data?",
1721    "ans": "b",
1722    "opt": {
1723      "a": " destination data",
1724      "b": " eggy data",
1725      "c": " secondary",
1726      "d": " Machine Learning"
1727    }
1728  },
1729  {
1730    "name": "Question 157",
1731    "desc": "Which type of data is generated by POS terminal in a busy supermarket each day ?",
1732    "ans": "a",
1733    "opt": {
1734      "a": " source",
1735      "b": " Processed",
1736      "c": " Synchronized",
1737      "d": " All of the Mentioned"
1738    }
1739  },
1740  {
1741    "name": "Question 158",
1742    "desc": "Following figure represents correct sequence of steps in performing data analysis.",
1743    "ans": "a",
1744    "opt": {
1745      "a": "ue",
1746      "b": "LSE",
1747      "c": "ne",
1748      "d": "ne"
1749    }
1750  },
1751  {
1752    "name": "Question 159",
1753    "desc": "Which of the following is example of tidy data ?",
1754    "ans": "d",
1755    "opt": {
1756      "a": " complicated JSON from facebook API",
1757      "b": " complicated JSON from Twitter API",
1758      "c": " unformatted Excel file",
1759      "d": " all of the Mentioned"
1760    }
1761  },
1762  {
1763    "name": "Question 160",
1764    "desc": "Point out the correct statement:",
1765    "ans": "c",
1766    "opt": {
1767      "a": " Nearly 80% of data analysis is spent on wrangling data",
1768      "b": " Nearly 20% of data analysis is spent on data dredging",
1769      "c": " Nearly 80% of data analysis is spent on the cleaning and preparing data",
1770      "d": " None of the Mentioned"
1771    }
1772  },
1773  {
1774    "name": "Question 161",
1775    "desc": "Which of the following is a trait of tidy data ?",
1776    "ans": "b",
1777    "opt": {
1778      "a": " each variable in one column",
1779      "b": " each observation in different row",
1780      "c": " one table for each kind of variable",
1781      "d": " none of the Mentioned"
1782    }
1783  },
1784  {
1785    "name": "Question 162",
1786    "desc": "Which of the following package is used for tidy data ?",
1787    "ans": "a",
1788    "opt": {
1789      "a": " tidyr",
1790      "b": " souryr",
1791      "c": " NumPy",
1792      "d": " all of the Mentioned"
1793    }
1794  },
1795  {
1796    "name": "Question 163",
1797    "desc": "Point out the wrong statement:",
1798    "ans": "d",
1799    "opt": {
1800      "a": " Tidy datasets are all alike but every messy dataset is messy in its own way",
1801      "b": " Most statistical datasets are data frames made up of rows and columns",
1802      "c": " Tidy datasets provide a standardized way to link the structure of a dataset with its semantics",
1803      "d": " None of the Mentioned"
1804    }
1805  },
1806  {
1807    "name": "Question 164",
1808    "desc": "Which of the following process involves structuring datasets to facilitate analysis ?",
1809    "ans": "a",
1810    "opt": {
1811      "a": " Data tidying",
1812      "b": " Data mining",
1813      "c": " Data booting",
1814      "d": " All of the Mentioned"
1815    }
1816  },
1817  {
1818    "name": "Question 165",
1819    "desc": "Strange binary file generated from machines is example of tidy data.\r",
1820    "ans": "b",
1821    "opt": {
1822      "a": "ue",
1823      "b": "LSE",
1824      "c": "ne",
1825      "d": "ne"
1826    }
1827  },
1828  {
1829    "name": "Question 166",
1830    "desc": "Which of the following is most common problem with messy data ?",
1831    "ans": "d",
1832    "opt": {
1833      "a": " Column headers are values",
1834      "b": " Variables are stored in both rows and columns",
1835      "c": " A single observational unit is stored in multiple tables",
1836      "d": " All of the mentioned"
1837    }
1838  },
1839  {
1840    "name": "Question 167",
1841    "desc": "tidyr is a reframing of _______ designed to accompany the tidy data framework.",
1842    "ans": "c",
1843    "opt": {
1844      "a": " reshape5",
1845      "b": " dplyr",
1846      "c": " reshape2",
1847      "d": " all of the Mentioned"
1848    }
1849  },
1850  {
1851    "name": "Question 168",
1852    "desc": "Raw data in the real-world is tidy and properly formatted.",
1853    "ans": "a",
1854    "opt": {
1855      "a": "ue",
1856      "b": "LSE",
1857      "c": "ne",
1858      "d": "ne"
1859    }
1860  },
1861  {
1862    "name": "Question 169",
1863    "desc": "Which of the following function is used for loading flat files ?",
1864    "ans": "c",
1865    "opt": {
1866      "a": " read.data",
1867      "b": " read.sheet",
1868      "c": " read.table",
1869      "d": " none of the Mentioned"
1870    }
1871  },
1872  {
1873    "name": "Question 170",
1874    "desc": "Point out the correct statement:",
1875    "ans": "c",
1876    "opt": {
1877      "a": " XLConnect package has more options for manipulating access files",
1878      "b": " XLConnect vignette package can also be used for manipulating excel files",
1879      "c": " write.xlsx write out an excel file with different argument",
1880      "d": " None of the Mentioned"
1881    }
1882  },
1883  {
1884    "name": "Question 171",
1885    "desc": "Which of the following is an important parameter of read.table function ?",
1886    "ans": "d",
1887    "opt": {
1888      "a": " file",
1889      "b": " header",
1890      "c": " sep",
1891      "d": " all of the Mentioned"
1892    }
1893  },
1894  {
1895    "name": "Question 172",
1896    "desc": "Which of the following will set the character that represents missing value ?",
1897    "ans": "b",
1898    "opt": {
1899      "a": " na.quote",
1900      "b": " na.strings",
1901      "c": " nrows",
1902      "d": " all of the Mentioned"
1903    }
1904  },
1905  {
1906    "name": "Question 173",
1907    "desc": "Point out the wrong statement:",
1908    "ans": "b",
1909    "opt": {
1910      "a": " data.table inherits from data.frame",
1911      "b": " data.table is written in Java",
1912      "c": " data.table is faster at subsetting and updating data",
1913      "d": " none of the Mentioned"
1914    }
1915  },
1916  {
1917    "name": "Question 174",
1918    "desc": "Which of the following package is used for reading excel data ?",
1919    "ans": "a",
1920    "opt": {
1921      "a": " xlsx",
1922      "b": " xlsc",
1923      "c": " read.sheet",
1924      "d": " all of the Mentioned"
1925    }
1926  },
1927  {
1928    "name": "Question 175",
1929    "desc": "Which of the following can be used to view all the tables in memory ?",
1930    "ans": "a",
1931    "opt": {
1932      "a": " tables",
1933      "b": " alltable",
1934      "c": " table",
1935      "d": " none of the Mentioned"
1936    }
1937  },
1938  {
1939    "name": "Question 176",
1940    "desc": "Which of the following function programmatically extract parts of XML file ?",
1941    "ans": "a",
1942    "opt": {
1943      "a": " XmlSApply",
1944      "b": " XmlApply",
1945      "c": " XmlSApplyData",
1946      "d": " All of the mentioned"
1947    }
1948  },
1949  {
1950    "name": "Question 177",
1951    "desc": "Which of the following package is used for reading JSON data ?",
1952    "ans": "a",
1953    "opt": {
1954      "a": " jsonlite",
1955      "b": " json",
1956      "c": " jsondata",
1957      "d": " all of the Mentioned"
1958    }
1959  },
1960  {
1961    "name": "Question 178",
1962    "desc": "Extracting XML is the basis for most web scraping",
1963    "ans": "a",
1964    "opt": {
1965      "a": "ue",
1966      "b": "LSE",
1967      "c": "ne",
1968      "d": "ne"
1969    }
1970  },
1971  {
1972    "name": "Question 179",
1973    "desc": "Which of the following package is used to connect MySQL RDBMS with R ?",
1974    "ans": "a",
1975    "opt": {
1976      "a": " RMySQL vignette",
1977      "b": " MySQL vignette",
1978      "c": " RSQL vignette",
1979      "d": " None of the Mentioned"
1980    }
1981  },
1982  {
1983    "name": "Question 180",
1984    "desc": "Point out the correct statement:",
1985    "ans": "a",
1986    "opt": {
1987      "a": " HDF5 is a hierarchical format",
1988      "b": " HDF5 does not support range of different data types",
1989      "c": " HDF5 is used for storing small datasets",
1990      "d": " None of the Mentioned"
1991    }
1992  },
1993  {
1994    "name": "Question 181",
1995    "desc": "Which of the following is used to extract data from HTML code of websites ?",
1996    "ans": "a",
1997    "opt": {
1998      "a": " Webscraping",
1999      "b": " Webdredging",
2000      "c": " Webcleaning",
2001      "d": " All of the Mentioned"
2002    }
2003  },
2004  {
2005    "name": "Question 182",
2006    "desc": "Which of the following function is used to read data off the webpages ?",
2007    "ans": "b",
2008    "opt": {
2009      "a": " read.web",
2010      "b": " read.Lines",
2011      "c": " read.Line",
2012      "d": " all of the Mentioned"
2013    }
2014  },
2015  {
2016    "name": "Question 183",
2017    "desc": "Point out the wrong statement:",
2018    "ans": "b",
2019    "opt": {
2020      "a": " hdf5 can be used to reading/writing from disc in Python",
2021      "b": " rhdf5 is interface for hdf5 format",
2022      "c": " Maximum size of an HDF5 dataset is fixed when it is created",
2023      "d": " all of the Mentioned"
2024    }
2025  },
2026  {
2027    "name": "Question 184",
2028    "desc": "Which of the following package is used for reading HTML and XML data ?",
2029    "ans": "a",
2030    "opt": {
2031      "a": " httr",
2032      "b": " http",
2033      "c": " httx",
2034      "d": " all of the Mentioned"
2035    }
2036  },
2037  {
2038    "name": "Question 185",
2039    "desc": "httr package does not work well with facebook and twitter API.",
2040    "ans": "b",
2041    "opt": {
2042      "a": "ue",
2043      "b": "LSE",
2044      "c": "ne",
2045      "d": "ne"
2046    }
2047  },
2048  {
2049    "name": "Question 186",
2050    "desc": "Which of the following request can be issued from httr package ?",
2051    "ans": "d",
2052    "opt": {
2053      "a": " GET",
2054      "b": " PUT",
2055      "c": " DELETE",
2056      "d": " All of the mentioned"
2057    }
2058  },
2059  {
2060    "name": "Question 187",
2061    "desc": "Which of the following package loads data from SPSS ?",
2062    "ans": "a",
2063    "opt": {
2064      "a": " read.spss(SPSS)",
2065      "b": " read.oct(SPSS)",
2066      "c": " read.xpot(SPSS)",
2067      "d": " all of the Mentioned"
2068    }
2069  },
2070  {
2071    "name": "Question 188",
2072    "desc": "Which of the following package is used for reading GIS data ?",
2073    "ans": "d",
2074    "opt": {
2075      "a": " rdgal",
2076      "b": " rgeos",
2077      "c": " raster",
2078      "d": " all of the Mentioned"
2079    }
2080  },
2081  {
2082    "name": "Question 189",
2083    "desc": "Which of the following function gives information about top level data ?",
2084    "ans": "a",
2085    "opt": {
2086      "a": " head",
2087      "b": " tail",
2088      "c": " summary",
2089      "d": " none of the Mentioned"
2090    }
2091  },
2092  {
2093    "name": "Question 190",
2094    "desc": "Point out the correct statement:",
2095    "ans": "d",
2096    "opt": {
2097      "a": " head function work on string",
2098      "b": " tail function work on string",
2099      "c": " head function work on string but tail function do not",
2100      "d": " none of the Mentioned"
2101    }
2102  },
2103  {
2104    "name": "Question 191",
2105    "desc": "Which of the following function is used for quantiles of quantitative values ?",
2106    "ans": "a",
2107    "opt": {
2108      "a": " quantile",
2109      "b": " quantity",
2110      "c": " quantiles",
2111      "d": " all of the Mentioned"
2112    }
2113  },
2114  {
2115    "name": "Question 192",
2116    "desc": "Which of the following function is used for determining missing values ?",
2117    "ans": "d",
2118    "opt": {
2119      "a": " any",
2120      "b": " all",
2121      "c": " is",
2122      "d": " all of the Mentioned"
2123    }
2124  },
2125  {
2126    "name": "Question 193",
2127    "desc": "Point out the wrong statement:",
2128    "ans": "c",
2129    "opt": {
2130      "a": " Common variables are used to create missingness vector",
2131      "b": " Common variables are used to cutting up quantitative variables",
2132      "c": " Common variables are not used to apply transforms",
2133      "d": " All of the Mentioned"
2134    }
2135  },
2136  {
2137    "name": "Question 194",
2138    "desc": "Which of the following transforms can be performed with data value ?",
2139    "ans": "d",
2140    "opt": {
2141      "a": " log2",
2142      "b": " cos",
2143      "c": " log10",
2144      "d": " all of the Mentioned"
2145    }
2146  },
2147  {
2148    "name": "Question 195",
2149    "desc": "Each observation forms a column in tidy data.",
2150    "ans": "b",
2151    "opt": {
2152      "a": "ue",
2153      "b": "LSE",
2154      "c": "ne",
2155      "d": "ne"
2156    }
2157  },
2158  {
2159    "name": "Question 196",
2160    "desc": "Which of the following function is used for casting data frames ?",
2161    "ans": "a",
2162    "opt": {
2163      "a": " dcast",
2164      "b": " ucast",
2165      "c": " rcast",
2166      "d": " all of the mentioned"
2167    }
2168  },
2169  {
2170    "name": "Question 197",
2171    "desc": "Which of the following join is by default used in plyr package ?",
2172    "ans": "a",
2173    "opt": {
2174      "a": " left",
2175      "b": " right",
2176      "c": " full",
2177      "d": " all of the Mentioned"
2178    }
2179  },
2180  {
2181    "name": "Question 198",
2182    "desc": "mutate function is used for casting as multi dimensional arrays.",
2183    "ans": "b",
2184    "opt": {
2185      "a": "ue",
2186      "b": "LSE",
2187      "c": "ne",
2188      "d": "ne"
2189    }
2190  },
2191  {
2192    "name": "Question 199",
2193    "desc": "Which of the following function is good for automatic splitting of names?",
2194    "ans": "b",
2195    "opt": {
2196      "a": " split",
2197      "b": " strsplit",
2198      "c": " autsplit",
2199      "d": " none of the Mentioned"
2200    }
2201  },
2202  {
2203    "name": "Question 200",
2204    "desc": "Point out the correct statement:",
2205    "ans": "a",
2206    "opt": {
2207      "a": " gsub is used for fixing character vectors",
2208      "b": " sub is used for finding values like grep",
2209      "c": " grep is used for fixing character vectors",
2210      "d": " none of the Mentioned"
2211    }
2212  },
2213  {
2214    "name": "Question 201",
2215    "desc": "Which of the following function is used for fixing character vectors?",
2216    "ans": "a",
2217    "opt": {
2218      "a": " tolower",
2219      "b": " toUPPER",
2220      "c": " toLOWER",
2221      "d": " all of the Mentioned"
2222    }
2223  },
2224  {
2225    "name": "Question 202",
2226    "desc": "Which of the following metacharacter is used to refer to any character?",
2227    "ans": "c",
2228    "opt": {
2229      "a": " %",
2230      "b": " @",
2231      "c": " .",
2232      "d": " All of the Mentioned"
2233    }
2234  },
2235  {
2236    "name": "Question 203",
2237    "desc": "Point out the wrong statement:",
2238    "ans": "a",
2239    "opt": {
2240      "a": " Variables with character values should be made less descriptive",
2241      "b": " Variables with character values should usually be made into factor variable",
2242      "c": " Common variables are used to apply transforms",
2243      "d": " All of the Mentioned"
2244    }
2245  },
2246  {
2247    "name": "Question 204",
2248    "desc": "Which of the following is used for specifying character class with metacharacter?",
2249    "ans": "a",
2250    "opt": {
2251      "a": " [].",
2252      "b": " {}",
2253      "c": " /+",
2254      "d": " All of the Mentioned"
2255    }
2256  },
2257  {
2258    "name": "Question 205",
2259    "desc": "Regular expressions can be thought of as combination of literals and metacharacters.",
2260    "ans": "a",
2261    "opt": {
2262      "a": "ue",
2263      "b": "LSE",
2264      "c": "ne",
2265      "d": "ne"
2266    }
2267  },
2268  {
2269    "name": "Question 206",
2270    "desc": "Which of the following signs are used to indicate repetition?",
2271    "ans": "b",
2272    "opt": {
2273      "a": " #",
2274      "b": " *",
2275      "c": " �",
2276      "d": " All of the mentioned"
2277    }
2278  },
2279  {
2280    "name": "Question 207",
2281    "desc": "Which of the following function is used for searching text strings by means of regular expression?",
2282    "ans": "b",
2283    "opt": {
2284      "a": " grepd",
2285      "b": " grepl",
2286      "c": " gepexpr",
2287      "d": " all of the Mentioned"
2288    }
2289  },
2290  {
2291    "name": "Question 208",
2292    "desc": "merge function is used for merging data frames.",
2293    "ans": "a",
2294    "opt": {
2295      "a": "ue",
2296      "b": "LSE",
2297      "c": "ne",
2298      "d": "ne"
2299    }
2300  },
2301  {
2302    "name": "Question 209",
2303    "desc": "Which of the the following graphic device information is odd man out in the below figure ?",
2304    "ans": "c",
2305    "opt": {
2306      "a": "",
2307      "b": " quartz",
2308      "c": " window",
2309      "d": " unix"
2310    }
2311  },
2312  {
2313    "name": "Question 210",
2314    "desc": "Point out the correct statement:",
2315    "ans": "a",
2316    "opt": {
2317      "a": " On Mac, the screen device is launched with quartz",
2318      "b": " On Windows, the screen device is launched with wind",
2319      "c": " On Unix, the screen device is launched with x12",
2320      "d": " All of the mentioned"
2321    }
2322  },
2323  {
2324    "name": "Question 211",
2325    "desc": "Which of the following is an example of graphics device ?",
2326    "ans": "d",
2327    "opt": {
2328      "a": " PDF",
2329      "b": " SVG",
2330      "c": " JPEG",
2331      "d": " All of the Mentioned"
2332    }
2333  },
2334  {
2335    "name": "Question 212",
2336    "desc": "Which of the following file format is graphic device only for windows ?",
2337    "ans": "c",
2338    "opt": {
2339      "a": " pdf",
2340      "b": " svg",
2341      "c": " win.metafile",
2342      "d": " All of the Mentioned"
2343    }
2344  },
2345  {
2346    "name": "Question 213",
2347    "desc": "Point out the wrong statement:",
2348    "ans": "b",
2349    "opt": {
2350      "a": " For quick visualizations and exploratory analysis, usually you want to use the screen device",
2351      "b": " Functions like xyplot in lattice will not default to sending a plot to the screen device",
2352      "c": " Not all graphics devices are available on all platforms",
2353      "d": " None of the mentioned"
2354    }
2355  },
2356  {
2357    "name": "Question 214",
2358    "desc": "Which of the following system most often don�t have postscript viewer ?",
2359    "ans": "a",
2360    "opt": {
2361      "a": "ndows",
2362      "b": " Linux",
2363      "c": " Mac",
2364      "d": " All of the Mentioned"
2365    }
2366  },
2367  {
2368    "name": "Question 215",
2369    "desc": "There are mainly three types of file devices.",
2370    "ans": "b",
2371    "opt": {
2372      "a": "ue",
2373      "b": "LSE",
2374      "c": "ne",
2375      "d": "ne"
2376    }
2377  },
2378  {
2379    "name": "Question 216",
2380    "desc": "Which of the following is a bitmap file type ?",
2381    "ans": "c",
2382    "opt": {
2383      "a": " tiff",
2384      "b": " svg",
2385      "c": " pdf",
2386      "d": " none of the Mentioned"
2387    }
2388  },
2389  {
2390    "name": "Question 217",
2391    "desc": "Which of the following function displays currently active graphics device ?",
2392    "ans": "b",
2393    "opt": {
2394      "a": " dev.present",
2395      "b": " dev.cur",
2396      "c": " pre.cur",
2397      "d": " all of the Mentioned"
2398    }
2399  },
2400  {
2401    "name": "Question 218",
2402    "desc": "The most familiar place for a plot to be �sent� is screen device.",
2403    "ans": "a",
2404    "opt": {
2405      "a": "ue",
2406      "b": "LSE",
2407      "c": "ne",
2408      "d": "ne"
2409    }
2410  },
2411  {
2412    "name": "Question 219",
2413    "desc": "Which of the following function has parameters shown in the below figure ?",
2414    "ans": "a",
2415    "opt": {
2416      "a": "",
2417      "b": " par",
2418      "c": " bar",
2419      "d": " base"
2420    }
2421  },
2422  {
2423    "name": "Question 220",
2424    "desc": "Point out the correct statement:",
2425    "ans": "a",
2426    "opt": {
2427      "a": " Vector formats are good for line drawings and plots with solid colors using a modest number of points",
2428      "b": " Vector formats are good for plots with a large number of points, natural scenes or web based plots",
2429      "c": " The default graphics device is always the screen device",
2430      "d": " All of the Mentioned"
2431    }
2432  },
2433  {
2434    "name": "Question 221",
2435    "desc": "Which of the following will copy the plot from one device to another ?",
2436    "ans": "a",
2437    "opt": {
2438      "a": " dev.copy",
2439      "b": " dev.copypdf",
2440      "c": " dev.device",
2441      "d": " all of the Mentioned"
2442    }
2443  },
2444  {
2445    "name": "Question 222",
2446    "desc": "Which of the following is used to change active graphic device ?",
2447    "ans": "a",
2448    "opt": {
2449      "a": " dev.set",
2450      "b": " dev.int",
2451      "c": " dev.win",
2452      "d": " all of the Mentioned"
2453    }
2454  },
2455  {
2456    "name": "Question 223",
2457    "desc": "Point out the wrong statement:",
2458    "ans": "d",
2459    "opt": {
2460      "a": " File devices are useful for creating plots that can be included in other documents or sent to other people",
2461      "b": " Plots must be created on a graphics device",
2462      "c": " For file devices, there are vector and bitmap formats",
2463      "d": " None of the Mentioned"
2464    }
2465  },
2466  {
2467    "name": "Question 224",
2468    "desc": "Which of the following is second goal of PCA ?",
2469    "ans": "a",
2470    "opt": {
2471      "a": " data compression",
2472      "b": " statistical analysis",
2473      "c": " data dredging",
2474      "d": " all of the Mentioned"
2475    }
2476  },
2477  {
2478    "name": "Question 225",
2479    "desc": "dev.copy2pdf specifically copy a plot to a PDF file.",
2480    "ans": "a",
2481    "opt": {
2482      "a": "ue",
2483      "b": "LSE",
2484      "c": "ne",
2485      "d": "ne"
2486    }
2487  },
2488  {
2489    "name": "Question 226",
2490    "desc": "Which of the following is a vector file device ?",
2491    "ans": "b",
2492    "opt": {
2493      "a": " png",
2494      "b": " svg",
2495      "c": " bmp",
2496      "d": " none of the Mentioned"
2497    }
2498  },
2499  {
2500    "name": "Question 227",
2501    "desc": "Which of the following is alternative technique to Principal Component Analysis ?",
2502    "ans": "d",
2503    "opt": {
2504      "a": " Factor Analysis",
2505      "b": " Independent components analysis",
2506      "c": " Latent semantic analysis",
2507      "d": " All of the Mentioned"
2508    }
2509  },
2510  {
2511    "name": "Question 228",
2512    "desc": "Every open graphics device is assigned an integer greater than 2.",
2513    "ans": "b",
2514    "opt": {
2515      "a": "ue",
2516      "b": "LSE",
2517      "c": "ne",
2518      "d": "ne"
2519    }
2520  },
2521  {
2522    "name": "Question 229",
2523    "desc": "Which of the following block information is odd man out in the below figure ?",
2524    "ans": "b",
2525    "opt": {
2526      "a": "",
2527      "b": " Scatterplots",
2528      "c": " 5 number summary",
2529      "d": " 2D Graph"
2530    }
2531  },
2532  {
2533    "name": "Question 230",
2534    "desc": "Which type of graph is shown in the following figure ?",
2535    "ans": "b",
2536    "opt": {
2537      "a": "",
2538      "b": " Scatterplot",
2539      "c": " Barplot",
2540      "d": " Overlaying"
2541    }
2542  },
2543  {
2544    "name": "Question 231",
2545    "desc": "Which of the following annotation function is used to add or modify text ?",
2546    "ans": "d",
2547    "opt": {
2548      "a": " word",
2549      "b": " graph",
2550      "c": " lines",
2551      "d": " all of the Mentioned"
2552    }
2553  },
2554  {
2555    "name": "Question 232",
2556    "desc": "Which of the following package is implemented by lattice plotting system ?",
2557    "ans": "b",
2558    "opt": {
2559      "a": " grDevices",
2560      "b": " grid",
2561      "c": " graphics",
2562      "d": " all of the Mentioned"
2563    }
2564  },
2565  {
2566    "name": "Question 233",
2567    "desc": "Point out the wrong statement:",
2568    "ans": "a",
2569    "opt": {
2570      "a": " Plot are created with multiple functions only",
2571      "b": " Plots are created with both single and multiple function calls",
2572      "c": " Annotation in plot is not especially intuitive",
2573      "d": " None of the Mentioned"
2574    }
2575  },
2576  {
2577    "name": "Question 234",
2578    "desc": "Which of the following parameter defines line type such as dashed and dotted ?",
2579    "ans": "a",
2580    "opt": {
2581      "a": " lty",
2582      "b": " pch",
2583      "c": " lwd",
2584      "d": " all of the Mentioned"
2585    }
2586  },
2587  {
2588    "name": "Question 235",
2589    "desc": "The core plotting engine is encapsulated in graphics package.",
2590    "ans": "a",
2591    "opt": {
2592      "a": "ue",
2593      "b": "LSE",
2594      "c": "ne",
2595      "d": "ne"
2596    }
2597  },
2598  {
2599    "name": "Question 236",
2600    "desc": "Which of the following argument specifies margin size with regards to par function ?",
2601    "ans": "c",
2602    "opt": {
2603      "a": " las",
2604      "b": " bg",
2605      "c": " mar",
2606      "d": " All of the mentioned"
2607    }
2608  },
2609  {
2610    "name": "Question 237",
2611    "desc": "How many stages commonly occurs in creation of plot ?",
2612    "ans": "a",
2613    "opt": {
2614      "a": " 2",
2615      "b": " 5",
2616      "c": " 8",
2617      "d": " All of the Mentioned"
2618    }
2619  },
2620  {
2621    "name": "Question 238",
2622    "desc": "Base graphics are used most commonly for creating 2D graphics.",
2623    "ans": "a",
2624    "opt": {
2625      "a": "ue",
2626      "b": "LSE",
2627      "c": "ne",
2628      "d": "ne"
2629    }
2630  },
2631  {
2632    "name": "Question 239",
2633    "desc": "Which of the following clustering type has characteristic shown in the below figure ?",
2634    "ans": "b",
2635    "opt": {
2636      "a": "",
2637      "b": " Partitional",
2638      "c": " Hierarchical",
2639      "d": " Naive Bayes"
2640    }
2641  },
2642  {
2643    "name": "Question 240",
2644    "desc": "Point out the correct statement:",
2645    "ans": "d",
2646    "opt": {
2647      "a": " The choice of an appropriate metric will influence the shape of the clusters",
2648      "b": " Hierarchical clustering is also called HCA",
2649      "c": " In general, the merges and splits are determined in a greedy manner",
2650      "d": " All of the Mentioned"
2651    }
2652  },
2653  {
2654    "name": "Question 241",
2655    "desc": "Which of the following is finally produced by Hierarchical Clustering ?",
2656    "ans": "b",
2657    "opt": {
2658      "a": " final estimate of cluster centroids",
2659      "b": " tree showing how close things are to each other",
2660      "c": " assignment of each point to clusters",
2661      "d": " all of the Mentioned"
2662    }
2663  },
2664  {
2665    "name": "Question 242",
2666    "desc": "Which of the following is required by K-means clustering ?",
2667    "ans": "d",
2668    "opt": {
2669      "a": " defined distance metric",
2670      "b": " number of clusters",
2671      "c": " initial guess as to cluster centroids",
2672      "d": " all of the Mentioned"
2673    }
2674  },
2675  {
2676    "name": "Question 243",
2677    "desc": "Point out the wrong statement:",
2678    "ans": "c",
2679    "opt": {
2680      "a": " k-means clustering is a method of vector quantization",
2681      "b": " k-means clustering aims to partition n observations into k clusters",
2682      "c": " k-nearest neighbor is same as k-means",
2683      "d": " None of the Mentioned"
2684    }
2685  },
2686  {
2687    "name": "Question 244",
2688    "desc": "Which of the following combination is incorrect ?",
2689    "ans": "d",
2690    "opt": {
2691      "a": " Continuous � euclidean distance",
2692      "b": " Continuous � correlation similarity",
2693      "c": " Binary � manhattan distance",
2694      "d": " None of the Mentioned"
2695    }
2696  },
2697  {
2698    "name": "Question 245",
2699    "desc": "Hierarchical clustering should be primarily used for exploration.",
2700    "ans": "a",
2701    "opt": {
2702      "a": "ue",
2703      "b": "LSE",
2704      "c": "ne",
2705      "d": "ne"
2706    }
2707  },
2708  {
2709    "name": "Question 246",
2710    "desc": "Which of the following function is used for k-means clustering ?",
2711    "ans": "a",
2712    "opt": {
2713      "a": " k-means",
2714      "b": " k-mean",
2715      "c": " heatmap",
2716      "d": " None of the Mentioned"
2717    }
2718  },
2719  {
2720    "name": "Question 247",
2721    "desc": "Which of the following clustering requires merging approach ?",
2722    "ans": "b",
2723    "opt": {
2724      "a": " Partitional",
2725      "b": " Hierarchical",
2726      "c": " Naive Bayes",
2727      "d": " None of the Mentioned"
2728    }
2729  },
2730  {
2731    "name": "Question 248",
2732    "desc": "K-means is not deterministic and it also consist of number of iterations.\r",
2733    "ans": "a",
2734    "opt": {
2735      "a": "ue",
2736      "b": "LSE",
2737      "c": "ne",
2738      "d": "ne"
2739    }
2740  },
2741  {
2742    "name": "Question 249",
2743    "desc": "Which of the following graphs has properties in the below figure ?",
2744    "ans": "a",
2745    "opt": {
2746      "a": "",
2747      "b": " Exploratory",
2748      "c": " Inferential",
2749      "d": " Causal"
2750    }
2751  },
2752  {
2753    "name": "Question 250",
2754    "desc": "Which of the following dimension type graph is shown in the below figure ?",
2755    "ans": "b",
2756    "opt": {
2757      "a": "",
2758      "b": " one-dimensional",
2759      "c": " two-dimensional",
2760      "d": " three-dimensional"
2761    }
2762  },
2763  {
2764    "name": "Question 251",
2765    "desc": "Which of the following gave rise to need of graphs in data analysis ?",
2766    "ans": "d",
2767    "opt": {
2768      "a": " Data visualization",
2769      "b": " Communicating results",
2770      "c": " Decision making",
2771      "d": " All of the Mentioned"
2772    }
2773  },
2774  {
2775    "name": "Question 252",
2776    "desc": "Which of the following is characteristic of exploratory graph ?",
2777    "ans": "c",
2778    "opt": {
2779      "a": " Made Slowly",
2780      "b": " Axes are not cleaned up",
2781      "c": " Color is used for personal information",
2782      "d": " All of the Mentioned"
2783    }
2784  },
2785  {
2786    "name": "Question 253",
2787    "desc": "Point out the correct statement:",
2788    "ans": "a",
2789    "opt": {
2790      "a": " coplots are one dimensional data graph",
2791      "b": " Exploratory graphs are made quickly",
2792      "c": " Exploratory graphs are made relatively less in number",
2793      "d": " All of the Mentioned"
2794    }
2795  },
2796  {
2797    "name": "Question 254",
2798    "desc": "Which of the following graph can be used for simple summarization of data ?",
2799    "ans": "c",
2800    "opt": {
2801      "a": " Scatterplot",
2802      "b": " Overlaying",
2803      "c": " Barplot",
2804      "d": " All of the Mentioned"
2805    }
2806  },
2807  {
2808    "name": "Question 255",
2809    "desc": "Color and shape are used to add dimensions to graph data.",
2810    "ans": "a",
2811    "opt": {
2812      "a": "ue",
2813      "b": "LSE",
2814      "c": "ne",
2815      "d": "ne"
2816    }
2817  },
2818  {
2819    "name": "Question 256",
2820    "desc": "Which of the following information is not given by five-number summary ?",
2821    "ans": "c",
2822    "opt": {
2823      "a": " Mean",
2824      "b": " Median",
2825      "c": " Mode",
2826      "d": " All of the mentioned"
2827    }
2828  },
2829  {
2830    "name": "Question 257",
2831    "desc": "Which of the following is also referred to as overlayed 1D plot ?",
2832    "ans": "a",
2833    "opt": {
2834      "a": " lattice",
2835      "b": " barplot",
2836      "c": " gplot",
2837      "d": " all of the Mentioned"
2838    }
2839  },
2840  {
2841    "name": "Question 258",
2842    "desc": "Spinning plots can be used for two dimensional data.\r",
2843    "ans": "a",
2844    "opt": {
2845      "a": "ue",
2846      "b": "LSE",
2847      "c": "ne",
2848      "d": "ne"
2849    }
2850  },
2851  {
2852    "name": "Question 259",
2853    "desc": "Which of the following problem is solved by reproducibility ?",
2854    "ans": "b",
2855    "opt": {
2856      "a": " Scalability",
2857      "b": " Data Availability",
2858      "c": " Improved Data Analysis",
2859      "d": " None of the Mentioned"
2860    }
2861  },
2862  {
2863    "name": "Question 260",
2864    "desc": "Point out the correct statement with respect to replication:",
2865    "ans": "a",
2866    "opt": {
2867      "a": " Focuses on the validity of the data analysis",
2868      "b": " Focuses on the validity of the scientific claim",
2869      "c": " Arguably a minimum standard for any scientific study",
2870      "d": " All of the Mentioned"
2871    }
2872  },
2873  {
2874    "name": "Question 261",
2875    "desc": "Which of the following is effective way of checking validity of data analysis ?",
2876    "ans": "d",
2877    "opt": {
2878      "a": " Re-run the analysis",
2879      "b": " Review the code",
2880      "c": " Check the sensitivity",
2881      "d": " All of the Mentioned"
2882    }
2883  },
2884  {
2885    "name": "Question 262",
2886    "desc": "Which of the following is similar to a pre-specified clinical trial protocol ?",
2887    "ans": "b",
2888    "opt": {
2889      "a": " Caching-based Data Analysis",
2890      "b": " Evidence-based Data Analysis",
2891      "c": " Markdown-based Data Analysis",
2892      "d": " All of the Mentioned"
2893    }
2894  },
2895  {
2896    "name": "Question 263",
2897    "desc": "Point out the wrong statement with respect to reproducibility:",
2898    "ans": "b",
2899    "opt": {
2900      "a": " Focuses on the validity of the data analysis",
2901      "b": " The ultimate standard for strengthening scientific evidence",
2902      "c": " Important when replication is impossible",
2903      "d": " None of the Mentioned"
2904    }
2905  },
2906  {
2907    "name": "Question 264",
2908    "desc": "Which of the following can be used for data analysis model ?",
2909    "ans": "d",
2910    "opt": {
2911      "a": " CRAN",
2912      "b": " CPAN",
2913      "c": " CTAN",
2914      "d": " All of the Mentioned"
2915    }
2916  },
2917  {
2918    "name": "Question 265",
2919    "desc": "Reproducibility determines correctness of data analysis.",
2920    "ans": "b",
2921    "opt": {
2922      "a": "ue",
2923      "b": "LSE",
2924      "c": "ne",
2925      "d": "ne"
2926    }
2927  },
2928  {
2929    "name": "Question 266",
2930    "desc": "Which of the following step is not required in data analysis ?",
2931    "ans": "d",
2932    "opt": {
2933      "a": " Synthesize results",
2934      "b": " Create reproducible code",
2935      "c": " Interpret results",
2936      "d": " None of the Mentioned"
2937    }
2938  },
2939  {
2940    "name": "Question 267",
2941    "desc": "Which of the following gives reviewers an important tool without dramatically increasing the burden ?",
2942    "ans": "c",
2943    "opt": {
2944      "a": " Quality research",
2945      "b": " Replication research",
2946      "c": " Reproducible research",
2947      "d": " None of the Mentioned"
2948    }
2949  },
2950  {
2951    "name": "Question 268",
2952    "desc": "Result Analysis are relatively easy to replicate or reproduce.",
2953    "ans": "b",
2954    "opt": {
2955      "a": "ue",
2956      "b": "LSE",
2957      "c": "ne",
2958      "d": "ne"
2959    }
2960  },
2961  {
2962    "name": "Question 269",
2963    "desc": "Which of the following is suitable for knitr ?",
2964    "ans": "a",
2965    "opt": {
2966      "a": " Reports",
2967      "b": " Data preprocessing documents",
2968      "c": "ne",
2969      "d": " all of the Mentioned"
2970    }
2971  },
2972  {
2973    "name": "Question 270",
2974    "desc": "Point out the correct combination related to output statements:",
2975    "ans": "a",
2976    "opt": {
2977      "a": " results: �asis�",
2978      "b": " echo: true",
2979      "c": " echo=false",
2980      "d": " none of the Mentioned"
2981    }
2982  },
2983  {
2984    "name": "Question 271",
2985    "desc": "Which of the following is required for not echoing the code ?",
2986    "ans": "a",
2987    "opt": {
2988      "a": " echo=TRUE",
2989      "b": " print=TRUE",
2990      "c": " echo=FALSE",
2991      "d": " all of the Mentioned"
2992    }
2993  },
2994  {
2995    "name": "Question 272",
2996    "desc": "Which of the following global options are available for figures in knitr ?",
2997    "ans": "a",
2998    "opt": {
2999      "a": " fig.height",
3000      "b": " fig.size",
3001      "c": " fig.breadth",
3002      "d": " all of the Mentioned"
3003    }
3004  },
3005  {
3006    "name": "Question 273",
3007    "desc": "Which of the following global option has value �hide� ?",
3008    "ans": "a",
3009    "opt": {
3010      "a": " results",
3011      "b": " fig.width",
3012      "c": " echo",
3013      "d": " none of the Mentioned"
3014    }
3015  },
3016  {
3017    "name": "Question 274",
3018    "desc": "Which of the following is correct order of conversion ?",
3019    "ans": "a",
3020    "opt": {
3021      "a": " .md->.Rmd->.html",
3022      "b": " .Rmd->.md->.html",
3023      "c": " .Rmd->.md->.xml",
3024      "d": " all of the Mentioned"
3025    }
3026  },
3027  {
3028    "name": "Question 275",
3029    "desc": "knitr is good for complex time-consuming computations.",
3030    "ans": "b",
3031    "opt": {
3032      "a": "ue",
3033      "b": "LSE",
3034      "c": "ne",
3035      "d": "ne"
3036    }
3037  },
3038  {
3039    "name": "Question 276",
3040    "desc": "Which of the following statement is used for importing knitr library ?",
3041    "ans": "a",
3042    "opt": {
3043      "a": " library(knitr)",
3044      "b": " import knitr",
3045      "c": " lib(knitr)",
3046      "d": " none of the Mentioned"
3047    }
3048  },
3049  {
3050    "name": "Question 277",
3051    "desc": "The document produced by knitr document has following extension:",
3052    "ans": "b",
3053    "opt": {
3054      "a": " .md",
3055      "b": " .rmd",
3056      "c": " .html",
3057      "d": " none of the Mentioned"
3058    }
3059  },
3060  {
3061    "name": "Question 278",
3062    "desc": "Code chunks begin with �`{r} and end with �`.",
3063    "ans": "a",
3064    "opt": {
3065      "a": "ue",
3066      "b": "LSE",
3067      "c": "ne",
3068      "d": "ne"
3069    }
3070  },
3071  {
3072    "name": "Question 279",
3073    "desc": "What is the role of processing code in the research pipeline?",
3074    "ans": "c",
3075    "opt": {
3076      "a": " Transforms the analytical results into figures and tables",
3077      "b": " Transforms the analytic data into measured data",
3078      "c": " Transforms the measured data into analytic data",
3079      "d": " All of the Mentioned"
3080    }
3081  },
3082  {
3083    "name": "Question 280",
3084    "desc": "Which of the following is a goal of literate statistical programming?",
3085    "ans": "d",
3086    "opt": {
3087      "a": " Combine explanatory text and data analysis code in a single document",
3088      "b": " Ensure that data analysis documents are always exported in JPEG format",
3089      "c": " Require that data analysis summaries are always written in R",
3090      "d": " None of the Mentioned"
3091    }
3092  },
3093  {
3094    "name": "Question 281",
3095    "desc": "What does it mean to weave a literate statistical program?",
3096    "ans": "b",
3097    "opt": {
3098      "a": " Convert a program from S to python",
3099      "b": " Convert the program into a human readable document",
3100      "c": " Convert a program to decompress it",
3101      "d": " All of the Mentioned"
3102    }
3103  },
3104  {
3105    "name": "Question 282",
3106    "desc": "Which of the following is required to implement a literate programming system?",
3107    "ans": "c",
3108    "opt": {
3109      "a": " A programming language like Perl",
3110      "b": " A programming language like Java",
3111      "c": " A programming language like R",
3112      "d": " All of the Mentioned"
3113    }
3114  },
3115  {
3116    "name": "Question 283",
3117    "desc": "What is one way in which the knitr system differs from Sweave?",
3118    "ans": "a",
3119    "opt": {
3120      "a": " knitr allows for the use of markdown instead of LaTeX",
3121      "b": " knitr is written in python instead of R",
3122      "c": " knitr lacks features like caching of code chunks",
3123      "d": " None of the Mentioned"
3124    }
3125  },
3126  {
3127    "name": "Question 284",
3128    "desc": "Which of the following is useful way to put text, code, data, output all in one document?",
3129    "ans": "a",
3130    "opt": {
3131      "a": " Literate statistical programming",
3132      "b": " Object Oriented programming",
3133      "c": " Descriptive programming",
3134      "d": " All of the Mentioned"
3135    }
3136  },
3137  {
3138    "name": "Question 285",
3139    "desc": "Some chunks have to be re-computed every time you re-knit the file.",
3140    "ans": "b",
3141    "opt": {
3142      "a": "ue",
3143      "b": "LSE",
3144      "c": "ne",
3145      "d": "ne"
3146    }
3147  },
3148  {
3149    "name": "Question 286",
3150    "desc": "Which of the following tool can be used for integrating text and code in one document?",
3151    "ans": "a",
3152    "opt": {
3153      "a": " knitr",
3154      "b": " ggplot2",
3155      "c": " NumPy",
3156      "d": " None of the Mentioned"
3157    }
3158  },
3159  {
3160    "name": "Question 287",
3161    "desc": "Which of the following should be set on chunk by chunk basis to store results of computation?",
3162    "ans": "a",
3163    "opt": {
3164      "a": " cache=TRUE",
3165      "b": " cache=FALSE",
3166      "c": " caching=TRUE",
3167      "d": " none of the Mentioned"
3168    }
3169  },
3170  {
3171    "name": "Question 288",
3172    "desc": "Dependencies are checked explicitly in caching caveats.",
3173    "ans": "b",
3174    "opt": {
3175      "a": "ue",
3176      "b": "LSE",
3177      "c": "ne",
3178      "d": "ne"
3179    }
3180  },
3181  {
3182    "name": "Question 289",
3183    "desc": "Original idea comes of Literate Statistical Practice from :",
3184    "ans": "a",
3185    "opt": {
3186      "a": " Don Knuth",
3187      "b": " Don Cutting",
3188      "c": " Douglas Cutting",
3189      "d": " All of the Mentioned"
3190    }
3191  },
3192  {
3193    "name": "Question 290",
3194    "desc": "Point out the correct statement:",
3195    "ans": "a",
3196    "opt": {
3197      "a": " An article is stream of code and text",
3198      "b": " Analysis code is divided in to code chunks only",
3199      "c": " Literate programs are tangled to produce human readable documents",
3200      "d": " None of the Mentioned"
3201    }
3202  },
3203  {
3204    "name": "Question 291",
3205    "desc": "Which of the following is required for literate programming ?",
3206    "ans": "a",
3207    "opt": {
3208      "a": " documentation language",
3209      "b": " mapper language",
3210      "c": " reducer language",
3211      "d": " all of the Mentioned"
3212    }
3213  },
3214  {
3215    "name": "Question 292",
3216    "desc": "Which of the following is required to implement a literate programming system ?",
3217    "ans": "c",
3218    "opt": {
3219      "a": " A programming language like Perl",
3220      "b": " A programming language like Java",
3221      "c": " A programming language like R",
3222      "d": " All of the Mentioned"
3223    }
3224  },
3225  {
3226    "name": "Question 293",
3227    "desc": "Which of the following way is required to make work reproducible ?",
3228    "ans": "a",
3229    "opt": {
3230      "a": " keep track of things",
3231      "b": " Save output",
3232      "c": " Save data in proprietary formats",
3233      "d": " None of the Mentioned"
3234    }
3235  },
3236  {
3237    "name": "Question 294",
3238    "desc": "Which of the following disadvantage does literate programming have ?",
3239    "ans": "a",
3240    "opt": {
3241      "a": " Slow processing of documents",
3242      "b": " Code is not automatic",
3243      "c": " No logical order",
3244      "d": " All of the Mentioned"
3245    }
3246  },
3247  {
3248    "name": "Question 295",
3249    "desc": "knitr supports only one documentation language.",
3250    "ans": "b",
3251    "opt": {
3252      "a": "ue",
3253      "b": "LSE",
3254      "c": "ne",
3255      "d": "ne"
3256    }
3257  },
3258  {
3259    "name": "Question 296",
3260    "desc": "Which of the following tool documentation language is supported by knitr ?",
3261    "ans": "a",
3262    "opt": {
3263      "a": " RMarkdown",
3264      "b": " LaTeX",
3265      "c": " HTML",
3266      "d": "ne"
3267    }
3268  },
3269  {
3270    "name": "Question 297",
3271    "desc": "Which of the following package by Yihui is built in to RStudio environment ?",
3272    "ans": "b",
3273    "opt": {
3274      "a": " rpy2",
3275      "b": " knitr",
3276      "c": " ggplot2",
3277      "d": " none of the Mentioned"
3278    }
3279  },
3280  {
3281    "name": "Question 298",
3282    "desc": "Literate program code is live-automatic �regression test� when building a document.",
3283    "ans": "a",
3284    "opt": {
3285      "a": "ue",
3286      "b": "LSE",
3287      "c": "ne",
3288      "d": "ne"
3289    }
3290  },
3291  {
3292    "name": "Question 299",
3293    "desc": "Which of the following is the probability calculus of beliefs, given that beliefs follow certain rules ?",
3294    "ans": "a",
3295    "opt": {
3296      "a": " Bayesian probability",
3297      "b": " Frequency probability",
3298      "c": " Frequency inference",
3299      "d": " Bayesian inference"
3300    }
3301  },
3302  {
3303    "name": "Question 300",
3304    "desc": "Point out the correct statement:",
3305    "ans": "a",
3306    "opt": {
3307      "a": " Bayesian inference is the use of Bayesian probability representation of beliefs to perform inference",
3308      "b": " NULL is the standard missing data marker used in S",
3309      "c": " Frequency inference is the use of Bayesian probability representation of beliefs to perform inference",
3310      "d": " None of the Mentioned"
3311    }
3312  },
3313  {
3314    "name": "Question 301",
3315    "desc": "Which of the following can be considered as random variable ?",
3316    "ans": "d",
3317    "opt": {
3318      "a": " The outcome from the roll of a die",
3319      "b": " The outcome of flip of a coin",
3320      "c": " The outcome of exam",
3321      "d": " All of the Mentioned"
3322    }
3323  },
3324  {
3325    "name": "Question 302",
3326    "desc": "Which of the following random variable that take on only a countable number of possibilities?",
3327    "ans": "a",
3328    "opt": {
3329      "a": " Discrete",
3330      "b": " Non Discrete",
3331      "c": " Continuous",
3332      "d": " All of the Mentioned"
3333    }
3334  },
3335  {
3336    "name": "Question 303",
3337    "desc": "Point out the wrong statement:",
3338    "ans": "b",
3339    "opt": {
3340      "a": " A random variable is a numerical outcome of an experiment",
3341      "b": " There are three types of random variable",
3342      "c": " Continuous random variable can take any value on the real line",
3343      "d": " None of the Mentioned"
3344    }
3345  },
3346  {
3347    "name": "Question 304",
3348    "desc": "Which of the following is also referred to as random variable ?",
3349    "ans": "b",
3350    "opt": {
3351      "a": " stochast",
3352      "b": " aleatory",
3353      "c": " eliette",
3354      "d": " all of the Mentioned"
3355    }
3356  },
3357  {
3358    "name": "Question 305",
3359    "desc": "Bayesian inference uses frequency interpretations of probabilities to control error rates.",
3360    "ans": "b",
3361    "opt": {
3362      "a": "ue",
3363      "b": "LSE",
3364      "c": "ne",
3365      "d": "ne"
3366    }
3367  },
3368  {
3369    "name": "Question 306",
3370    "desc": "Which of the following condition should be satisfied by function for pmf ?",
3371    "ans": "a",
3372    "opt": {
3373      "a": " The sum of all of the possible values is 1",
3374      "b": " The sum of all of the possible values is 0",
3375      "c": " The sum of all of the possible values is infinite",
3376      "d": " All of the Mentioned"
3377    }
3378  },
3379  {
3380    "name": "Question 307",
3381    "desc": "Which of the following function is associated with a continuous random variable ?",
3382    "ans": "a",
3383    "opt": {
3384      "a": " pdf",
3385      "b": " pmv",
3386      "c": " pmf",
3387      "d": " all of the Mentioned"
3388    }
3389  },
3390  {
3391    "name": "Question 308",
3392    "desc": "Statistical inference is the process of drawing formal conclusions from data.",
3393    "ans": "a",
3394    "opt": {
3395      "a": "ue",
3396      "b": "LSE",
3397      "c": "ne",
3398      "d": "ne"
3399    }
3400  },
3401  {
3402    "name": "Question 309",
3403    "desc": "The expected value or _______ of a random variable is the center of its distribution.",
3404    "ans": "c",
3405    "opt": {
3406      "a": " mode",
3407      "b": " median",
3408      "c": " mean",
3409      "d": " bayesian inference"
3410    }
3411  },
3412  {
3413    "name": "Question 310",
3414    "desc": "Point out the correct statement:",
3415    "ans": "d",
3416    "opt": {
3417      "a": " Some cumulative distribution function F is non-decreasing and right-continuous",
3418      "b": " Every cumulative distribution function F is decreasing and right-continuous",
3419      "c": " Every cumulative distribution function F is increasing and left-continuous",
3420      "d": " None of the Mentioned"
3421    }
3422  },
3423  {
3424    "name": "Question 311",
3425    "desc": "Which of the following of a random variable is a measure of spread ?",
3426    "ans": "a",
3427    "opt": {
3428      "a": " variance",
3429      "b": " standard deviation",
3430      "c": " empirical mean",
3431      "d": " all of the Mentioned"
3432    }
3433  },
3434  {
3435    "name": "Question 312",
3436    "desc": "The square root of the variance is called the ________ deviation.",
3437    "ans": "d",
3438    "opt": {
3439      "a": " empirical",
3440      "b": " mean",
3441      "c": " Continuous",
3442      "d": " standard"
3443    }
3444  },
3445  {
3446    "name": "Question 313",
3447    "desc": "Point out the wrong statement:",
3448    "ans": "c",
3449    "opt": {
3450      "a": " A percentile is simply a quantile with expressed as a percent",
3451      "b": " There are two types of random variable",
3452      "c": " R cannot approximate quantiles for you for common distributions",
3453      "d": " None of the Mentioned"
3454    }
3455  },
3456  {
3457    "name": "Question 314",
3458    "desc": "Which of the following inequality is useful for interpreting variances ?",
3459    "ans": "a",
3460    "opt": {
3461      "a": " Chebyshev",
3462      "b": " Stautaory",
3463      "c": " Testory",
3464      "d": " All of the Mentioned"
3465    }
3466  },
3467  {
3468    "name": "Question 315",
3469    "desc": "For continuous random variables, the CDF is the derivative of the PDF",
3470    "ans": "b",
3471    "opt": {
3472      "a": "ue",
3473      "b": "LSE",
3474      "c": "ne",
3475      "d": "ne"
3476    }
3477  },
3478  {
3479    "name": "Question 316",
3480    "desc": "Chebyshev�s inequality states that the probability of a �Six Sigma� event is less than :",
3481    "ans": "d",
3482    "opt": {
3483      "a": " 10%",
3484      "b": " 20%",
3485      "c": " 30%",
3486      "d": " 3%"
3487    }
3488  },
3489  {
3490    "name": "Question 317",
3491    "desc": "Which of the following random variables are the default model for random samples ?",
3492    "ans": "a",
3493    "opt": {
3494      "a": " iid",
3495      "b": " id",
3496      "c": " pmd",
3497      "d": " all of the Mentioned"
3498    }
3499  },
3500  {
3501    "name": "Question 318",
3502    "desc": "Cumulative distribution functions are used to specify the distribution of multivariate random variables.\ra) True\rb) False\rView Answer",
3503    "ans": "a",
3504    "opt": {
3505      "a": "",
3506      "b": "",
3507      "c": "",
3508      "d": ""
3509    }
3510  },
3511  {
3512    "name": "Question 319",
3513    "desc": "Which of the following goal is incorrectly represented in the below figure ?",
3514    "ans": "d",
3515    "opt": {
3516      "a": "",
3517      "b": " Relationship between variables",
3518      "c": " Distribution of variables",
3519      "d": " Inference about relationships"
3520    }
3521  },
3522  {
3523    "name": "Question 320",
3524    "desc": "Point out the correct statement:",
3525    "ans": "d",
3526    "opt": {
3527      "a": " The exponent of a normally distributed random variables follows what is called the log-normal distribution",
3528      "b": " Sums of normally distributed random variables are again normally distributed even if the variables are dependent",
3529      "c": " The square of a standard normal random variable follows what is called chi-squared distribution",
3530      "d": " All of the Mentioned"
3531    }
3532  },
3533  {
3534    "name": "Question 321",
3535    "desc": "Which of the following is incorrect with respect to use of Poisson distribution ?",
3536    "ans": "b",
3537    "opt": {
3538      "a": " Modeling event/time data",
3539      "b": " Modeling bounded count data",
3540      "c": " Modeling contingency tables",
3541      "d": " All of the Mentioned"
3542    }
3543  },
3544  {
3545    "name": "Question 322",
3546    "desc": "__________ random variables are used to model rates.",
3547    "ans": "c",
3548    "opt": {
3549      "a": " Empirical",
3550      "b": " Binomial",
3551      "c": " Poisson",
3552      "d": " All of the Mentioned"
3553    }
3554  },
3555  {
3556    "name": "Question 323",
3557    "desc": "Point out the wrong statement:",
3558    "ans": "a",
3559    "opt": {
3560      "a": " The normal distribution is asymmetric and peaked about its mode",
3561      "b": " A constant times a normally distributed random variable is also normally distributed",
3562      "c": " Sample means of normally distributed random variables are again normally distributed",
3563      "d": " None of the Mentioned"
3564    }
3565  },
3566  {
3567    "name": "Question 324",
3568    "desc": "Which of the following form the basis for frequency interpretation of probabilities ?",
3569    "ans": "a",
3570    "opt": {
3571      "a": " Asymptotics",
3572      "b": " Symptotics",
3573      "c": " Asymmetry",
3574      "d": " All of the Mentioned"
3575    }
3576  },
3577  {
3578    "name": "Question 325",
3579    "desc": "Bernoulli random variables take (only) the values 1 and 0.",
3580    "ans": "a",
3581    "opt": {
3582      "a": "ue",
3583      "b": "LSE",
3584      "c": "ne",
3585      "d": "ne"
3586    }
3587  },
3588  {
3589    "name": "Question 326",
3590    "desc": "The _________ basically states that the sample mean is consistent.",
3591    "ans": "b",
3592    "opt": {
3593      "a": " LAN",
3594      "b": " LLN",
3595      "c": " LWN",
3596      "d": " None of the Mentioned"
3597    }
3598  },
3599  {
3600    "name": "Question 327",
3601    "desc": "Which of the following theorem states that the distribution of averages of iid variables, properly normalized, becomes that of a standard normal as the sample size increases ?",
3602    "ans": "a",
3603    "opt": {
3604      "a": " Central Limit Theorem",
3605      "b": " Central Mean Theorem",
3606      "c": " Centroid Limit Theorem",
3607      "d": " All of the Mentioned"
3608    }
3609  },
3610  {
3611    "name": "Question 328",
3612    "desc": "The binomial random variables are obtained as the sum of iid Gaussian trials.",
3613    "ans": "a",
3614    "opt": {
3615      "a": "ue",
3616      "b": "LSE",
3617      "c": "ne",
3618      "d": "ne"
3619    }
3620  },
3621  {
3622    "name": "Question 329",
3623    "desc": "The _________ of the Chi-squared distribution is twice the degrees of freedom.",
3624    "ans": "a",
3625    "opt": {
3626      "a": " variance",
3627      "b": " standard deviation",
3628      "c": " mode",
3629      "d": " none of the Mentioned"
3630    }
3631  },
3632  {
3633    "name": "Question 330",
3634    "desc": "Point out the correct statement:",
3635    "ans": "d",
3636    "opt": {
3637      "a": " Asymptotics are incredibly useful for simple statistical inference and approximations",
3638      "b": " Asymptotics often lead to nice understanding of procedures",
3639      "c": " An estimator is consistent if it converges to what you want to estimate",
3640      "d": " All of the Mentioned"
3641    }
3642  },
3643  {
3644    "name": "Question 331",
3645    "desc": "Gosset�s distribution is invented by which of the following scientist ?",
3646    "ans": "a",
3647    "opt": {
3648      "a": " William Gosset",
3649      "b": " William Gosling",
3650      "c": " Gosling Gosset",
3651      "d": " All of the Mentioned"
3652    }
3653  },
3654  {
3655    "name": "Question 332",
3656    "desc": "The _________ of a collection of data is the joint density evaluated as a function of the parameters with the data fixed.",
3657    "ans": "b",
3658    "opt": {
3659      "a": " probability",
3660      "b": " likelihood",
3661      "c": " poisson distribution",
3662      "d": " all of the Mentioned"
3663    }
3664  },
3665  {
3666    "name": "Question 333",
3667    "desc": "Point out the wrong statement:",
3668    "ans": "a",
3669    "opt": {
3670      "a": " Asymptotics generally give assurances about finite sample performance",
3671      "b": " The sample variance and the sample standard deviation are consistent as well",
3672      "c": " The sample mean and the sample variance are unbiased as well",
3673      "d": " None of the Mentioned"
3674    }
3675  },
3676  {
3677    "name": "Question 334",
3678    "desc": "Which of the following is a property of likelihood ?",
3679    "ans": "d",
3680    "opt": {
3681      "a": " Ratios of likelihood values measure the relative evidence of one value of the unknown parameter to another",
3682      "b": " Given a statistical model and observed data, all of the relevant information contained in the data regarding the unknown parameter is contained in the likelihood",
3683      "c": " The Resultant likelihood is multiplication of individual likelihood",
3684      "d": " All of the Mentioned"
3685    }
3686  },
3687  {
3688    "name": "Question 335",
3689    "desc": "CLT is mostly useful as an approximation.",
3690    "ans": "a",
3691    "opt": {
3692      "a": "ue",
3693      "b": "LSE",
3694      "c": "ne",
3695      "d": "ne"
3696    }
3697  },
3698  {
3699    "name": "Question 336",
3700    "desc": "The beta distribution is the default prior for parameters between :",
3701    "ans": "c",
3702    "opt": {
3703      "a": " 0 and 10",
3704      "b": " 1 and 2",
3705      "c": " 0 and 1",
3706      "d": " None of the Mentioned"
3707    }
3708  },
3709  {
3710    "name": "Question 337",
3711    "desc": "Which of the following mean is a mixture of the MLE and the prior mean ?",
3712    "ans": "c",
3713    "opt": {
3714      "a": " interior",
3715      "b": " exterior",
3716      "c": " posterior",
3717      "d": " all of the Mentioned"
3718    }
3719  },
3720  {
3721    "name": "Question 338",
3722    "desc": "Usually replacing the standard error by its estimated value does change the CLT.\r",
3723    "ans": "b",
3724    "opt": {
3725      "a": "ue",
3726      "b": "LSE",
3727      "c": "ne",
3728      "d": "ne"
3729    }
3730  },
3731  {
3732    "name": "Question 339",
3733    "desc": "Which of the following testing is concerned with making decisions using data ?",
3734    "ans": "b",
3735    "opt": {
3736      "a": " Probability",
3737      "b": " Hypothesis",
3738      "c": " Causal",
3739      "d": " None of the mentioned"
3740    }
3741  },
3742  {
3743    "name": "Question 340",
3744    "desc": "Point out the correct statement:",
3745    "ans": "d",
3746    "opt": {
3747      "a": " Power of a one sided test is lower than the power of the associated two sided test",
3748      "b": " Power of a two sided test is greater than the power of the associated one sided test",
3749      "c": " Hypothesis testing is less commonly used",
3750      "d": " None of the Mentioned"
3751    }
3752  },
3753  {
3754    "name": "Question 341",
3755    "desc": "Which of the following value is most common measure of �statistical significance� ?",
3756    "ans": "a",
3757    "opt": {
3758      "a": " P",
3759      "b": " A",
3760      "c": " L",
3761      "d": " All of the Mentioned"
3762    }
3763  },
3764  {
3765    "name": "Question 342",
3766    "desc": "What is the purpose of multiple testing in statistical inference ?",
3767    "ans": "d",
3768    "opt": {
3769      "a": " Minimize errors",
3770      "b": " Minimize false positives",
3771      "c": " Minimize false negatives",
3772      "d": " All of the Mentioned"
3773    }
3774  },
3775  {
3776    "name": "Question 343",
3777    "desc": "Point out the wrong statement with respect to FDR:",
3778    "ans": "a",
3779    "opt": {
3780      "a": " FDR is difficult to calculate",
3781      "b": " FDR is relatively less conservative",
3782      "c": " FDR allows for more false positives",
3783      "d": " None of the Mentioned"
3784    }
3785  },
3786  {
3787    "name": "Question 344",
3788    "desc": "Which of the following is the oldest multiple testing correction?",
3789    "ans": "a",
3790    "opt": {
3791      "a": " Bonferroni correction",
3792      "b": " Bernoulli correction",
3793      "c": " Likelihood correction",
3794      "d": " All of the Mentioned"
3795    }
3796  },
3797  {
3798    "name": "Question 345",
3799    "desc": "The pooled estimator is a mixture of the group variances, placing greater weight on whichever has a larger sample size.\ra) True\rb) False\rView Answer",
3800    "ans": "a",
3801    "opt": {
3802      "a": "",
3803      "b": "",
3804      "c": "",
3805      "d": ""
3806    }
3807  },
3808  {
3809    "name": "Question 346",
3810    "desc": "Which of the following tool is used for constructing confidence intervals and calculating standard errors for difficult statistics ?",
3811    "ans": "b",
3812    "opt": {
3813      "a": " baggyer",
3814      "b": " bootstrap",
3815      "c": " jacknife",
3816      "d": " none of the Mentioned"
3817    }
3818  },
3819  {
3820    "name": "Question 347",
3821    "desc": "Which of the following tool is used for estimating standard errors and the bias of estimators ?",
3822    "ans": "c",
3823    "opt": {
3824      "a": " knitr",
3825      "b": " jackknife",
3826      "c": " ggplot2",
3827      "d": " all of the Mentioned"
3828    }
3829  },
3830  {
3831    "name": "Question 348",
3832    "desc": "Power is the probability of rejecting the null hypothesis when it is true.",
3833    "ans": "b",
3834    "opt": {
3835      "a": "ue",
3836      "b": "LSE",
3837      "c": "ne",
3838      "d": "ne"
3839    }
3840  },
3841  {
3842    "name": "Question 349",
3843    "desc": "Which of the following function can be replaced with the question mark in the below figure ?",
3844    "ans": "c",
3845    "opt": {
3846      "a": "",
3847      "b": " boxplot",
3848      "c": " lplot",
3849      "d": " levelplot"
3850    }
3851  },
3852  {
3853    "name": "Question 350",
3854    "desc": "Point out the correct statement:",
3855    "ans": "d",
3856    "opt": {
3857      "a": " The mean is a measure of central tendency of the data",
3858      "b": " Empirical mean is related to �centering� the random variables",
3859      "c": " The empirical standard deviation is a measure of spread",
3860      "d": " All of the Mentioned"
3861    }
3862  },
3863  {
3864    "name": "Question 351",
3865    "desc": "Which of the following implies no relationship with respect to correlation ?",
3866    "ans": "b",
3867    "opt": {
3868      "a": " Cor(X, Y) = 1",
3869      "b": " Cor(X, Y) = 0",
3870      "c": " Cor(X, Y) = 2",
3871      "d": " All of the Mentioned"
3872    }
3873  },
3874  {
3875    "name": "Question 352",
3876    "desc": "Normalized data are centered at ___ and have units equal to standard deviations of the original data.",
3877    "ans": "a",
3878    "opt": {
3879      "a": " 0",
3880      "b": " 5",
3881      "c": " 1",
3882      "d": " 10"
3883    }
3884  },
3885  {
3886    "name": "Question 353",
3887    "desc": "Point out the wrong statement:",
3888    "ans": "c",
3889    "opt": {
3890      "a": " Regression through the origin yields an equivalent slope if you center the data first",
3891      "b": " Normalizing variables results in the slope being the correlation",
3892      "c": " Least squares is not an estimation tool",
3893      "d": " None of the Mentioned"
3894    }
3895  },
3896  {
3897    "name": "Question 354",
3898    "desc": "Which of the following is correct with respect to residuals ?",
3899    "ans": "a",
3900    "opt": {
3901      "a": " Positive residuals are above the line, negative residuals are below",
3902      "b": " Positive residuals are below the line, negative residuals are above",
3903      "c": " Positive residuals and negative residuals are below the line",
3904      "d": " All of the Mentioned"
3905    }
3906  },
3907  {
3908    "name": "Question 355",
3909    "desc": "Minimizing the likelihood is the same as maximizing -2 log likelihood.",
3910    "ans": "a",
3911    "opt": {
3912      "a": "ue",
3913      "b": "LSE",
3914      "c": "ne",
3915      "d": "ne"
3916    }
3917  },
3918  {
3919    "name": "Question 356",
3920    "desc": "Which of the following refers to the circumstance in which the variability of a variable is unequal across the range of values of a second variable that predicts it ?",
3921    "ans": "b",
3922    "opt": {
3923      "a": " Heterogeneity",
3924      "b": " Heteroskedasticity",
3925      "c": " Heteroelasticty",
3926      "d": " None of the Mentioned"
3927    }
3928  },
3929  {
3930    "name": "Question 357",
3931    "desc": "Which of the following outcome is odd man out in the below figure ?",
3932    "ans": "b",
3933    "opt": {
3934      "a": "",
3935      "b": " R Squared",
3936      "c": " Kappa",
3937      "d": " RMSE"
3938    }
3939  },
3940  {
3941    "name": "Question 358",
3942    "desc": "Residuals are useful for investigating best model fit.",
3943    "ans": "b",
3944    "opt": {
3945      "a": "ue",
3946      "b": "LSE",
3947      "c": "ne",
3948      "d": "ne"
3949    }
3950  },
3951  {
3952    "name": "Question 359",
3953    "desc": "Which of the following is correct formula for total variation ?",
3954    "ans": "b",
3955    "opt": {
3956      "a": " Total Variation = Residual Variation � Regression Variation",
3957      "b": " Total Variation = Residual Variation + Regression Variation",
3958      "c": " Total Variation = Residual Variation * Regression Variation",
3959      "d": " All of the Mentioned"
3960    }
3961  },
3962  {
3963    "name": "Question 360",
3964    "desc": "Point out the correct statement:",
3965    "ans": "d",
3966    "opt": {
3967      "a": " A standard error is needed to create a prediction interval",
3968      "b": " The prediction interval must incorporate the variability in the data around the line",
3969      "c": " Investors use the residual variance to measure the accuracy of their predictions on the value of an asset",
3970      "d": " All of the Mentioned"
3971    }
3972  },
3973  {
3974    "name": "Question 361",
3975    "desc": "Which of the following things can be accomplished with linear model ?",
3976    "ans": "d",
3977    "opt": {
3978      "a": " Flexibly fit complicated functions",
3979      "b": " Uncover complex multivariate relationships",
3980      "c": " Build accurate prediction models",
3981      "d": " All of the Mentioned"
3982    }
3983  },
3984  {
3985    "name": "Question 362",
3986    "desc": "Which of the following statement is incorrect with respect to outliers ?",
3987    "ans": "c",
3988    "opt": {
3989      "a": " Outliers can have varying degrees of influence",
3990      "b": " Outliers can be the result of spurious or real processes.",
3991      "c": " Outliers cannot conform to the regression relationship",
3992      "d": " None of the Mentioned"
3993    }
3994  },
3995  {
3996    "name": "Question 363",
3997    "desc": "Point out the wrong statement:",
3998    "ans": "d",
3999    "opt": {
4000      "a": " The fraction of variance unexplained is an established concept in the context of linear regression",
4001      "b": " �Explained variance� is routinely used in principal component analysis",
4002      "c": " The general linear model extends simple linear regression (SLR) by adding terms linearly into the model",
4003      "d": " None of the Mentioned"
4004    }
4005  },
4006  {
4007    "name": "Question 364",
4008    "desc": "Which of the following can be useful for diagnosing data entry errors ?",
4009    "ans": "a",
4010    "opt": {
4011      "a": " hat values",
4012      "b": " dffit",
4013      "c": " resid",
4014      "d": " all of the Mentioned"
4015    }
4016  },
4017  {
4018    "name": "Question 365",
4019    "desc": "Multivariate regression estimates are exactly those having removed the linear relationship of the other variables from both the regressor and response.\ra) True\rb) False\rView Answer",
4020    "ans": "a",
4021    "opt": {
4022      "a": "",
4023      "b": "",
4024      "c": "",
4025      "d": ""
4026    }
4027  },
4028  {
4029    "name": "Question 366",
4030    "desc": "Residual ______ plots investigate normality of the errors.",
4031    "ans": "c",
4032    "opt": {
4033      "a": " RR",
4034      "b": " PP",
4035      "c": " QQ",
4036      "d": " None of the Mentioned"
4037    }
4038  },
4039  {
4040    "name": "Question 367",
4041    "desc": "Which of the following show residuals divided by their standard deviations ?",
4042    "ans": "c",
4043    "opt": {
4044      "a": " rstudent",
4045      "b": " cooks.distance",
4046      "c": " rstandard",
4047      "d": " all of the Mentioned"
4048    }
4049  },
4050  {
4051    "name": "Question 368",
4052    "desc": "The least squares estimate for the coefficient of a multivariate regression model is exactly regression through the origin with the linear relationships.\ra) True\rb) False\rView Answer",
4053    "ans": "b",
4054    "opt": {
4055      "a": "",
4056      "b": "",
4057      "c": "",
4058      "d": ""
4059    }
4060  },
4061  {
4062    "name": "Question 369",
4063    "desc": "How many components are present in generalized linear models ?",
4064    "ans": "d",
4065    "opt": {
4066      "a": " 2",
4067      "b": " 4",
4068      "c": " 6",
4069      "d": " None of the Mentioned"
4070    }
4071  },
4072  {
4073    "name": "Question 370",
4074    "desc": "Point out the wrong statement:",
4075    "ans": "b",
4076    "opt": {
4077      "a": " Additive response models don�t make much sense if the response is discrete, or strictly positive",
4078      "b": " Transformations are often easy to interpret in linear model",
4079      "c": " Regression models are used to predict one variable from one or more other variables",
4080      "d": " All of the Mentioned"
4081    }
4082  },
4083  {
4084    "name": "Question 371",
4085    "desc": "Which of the following component is involved in generalized linear models ?",
4086    "ans": "d",
4087    "opt": {
4088      "a": " An exponential family model for the response",
4089      "b": " A systematic component via a linear predictor",
4090      "c": " A link function that connects the means of the response to the linear predictor",
4091      "d": " All of the Mentioned"
4092    }
4093  },
4094  {
4095    "name": "Question 372",
4096    "desc": "Collection of exchangeable binary outcomes for the same covariate data are called _______ outcomes.",
4097    "ans": "c",
4098    "opt": {
4099      "a": " random",
4100      "b": " direct",
4101      "c": " binomial",
4102      "d": " none of the Mentioned"
4103    }
4104  },
4105  {
4106    "name": "Question 373",
4107    "desc": "Point out the wrong statement:",
4108    "ans": "c",
4109    "opt": {
4110      "a": " Asymptotics are used for inference usually",
4111      "b": " Adding squared terms makes it continuously differentiable at the knot points",
4112      "c": " Adding squared terms makes it twice continuously differentiable at the knot points",
4113      "d": " None of the Mentioned"
4114    }
4115  },
4116  {
4117    "name": "Question 374",
4118    "desc": "Which of the following is example use of Poisson distribution ?",
4119    "ans": "d",
4120    "opt": {
4121      "a": " Analyzing contingency table data",
4122      "b": " Modeling web traffic hits",
4123      "c": " Incidence rates",
4124      "d": " All of the Mentioned"
4125    }
4126  },
4127  {
4128    "name": "Question 375",
4129    "desc": "Principal components or factor analytic models on covariates are often useful for reducing complex covariate spaces.\ra) True\rb) False\rView Answer",
4130    "ans": "a",
4131    "opt": {
4132      "a": "",
4133      "b": "",
4134      "c": "",
4135      "d": ""
4136    }
4137  },
4138  {
4139    "name": "Question 376",
4140    "desc": "How many outcomes are possible with bernoulli trial ?",
4141    "ans": "a",
4142    "opt": {
4143      "a": " 2",
4144      "b": " 3",
4145      "c": " 4",
4146      "d": " None of the Mentioned"
4147    }
4148  },
4149  {
4150    "name": "Question 377",
4151    "desc": "Which of the following analysis is a statistical process for estimating the relationships among variables ?",
4152    "ans": "b",
4153    "opt": {
4154      "a": " Causal",
4155      "b": " Regression",
4156      "c": " Multivariate",
4157      "d": " All of the Mentioned"
4158    }
4159  },
4160  {
4161    "name": "Question 378",
4162    "desc": "Linear models are the most useful applied statistical technique.",
4163    "ans": "b",
4164    "opt": {
4165      "a": "ue",
4166      "b": "LSE",
4167      "c": "ne",
4168      "d": "ne"
4169    }
4170  },
4171  {
4172    "name": "Question 379",
4173    "desc": "Which of the following can be used to generate balanced cross�validation groupings from a set of data ?",
4174    "ans": "a",
4175    "opt": {
4176      "a": " createFolds",
4177      "b": " createSample",
4178      "c": " createResample",
4179      "d": " none of the Mentioned"
4180    }
4181  },
4182  {
4183    "name": "Question 380",
4184    "desc": "Point out the wrong statement:",
4185    "ans": "a",
4186    "opt": {
4187      "a": " Simple random sampling of time series is probably the best way to resample times series data.",
4188      "b": " Three parameters are used for time series splitting",
4189      "c": " Horizon parameter is the number of consecutive values in test set sample",
4190      "d": " All of the Mentioned"
4191    }
4192  },
4193  {
4194    "name": "Question 381",
4195    "desc": "Which of the following function can be used to maximize the minimum dissimilarities ?",
4196    "ans": "d",
4197    "opt": {
4198      "a": " sumDiss",
4199      "b": " minDiss",
4200      "c": " avgDiss",
4201      "d": " all of the Mentioned"
4202    }
4203  },
4204  {
4205    "name": "Question 382",
4206    "desc": "Which of the following function can create the indices for time series type of splitting ?",
4207    "ans": "b",
4208    "opt": {
4209      "a": " newTimeSlices",
4210      "b": " createTimeSlices",
4211      "c": " binTimeSlices",
4212      "d": " none of the Mentioned"
4213    }
4214  },
4215  {
4216    "name": "Question 383",
4217    "desc": "Point out the correct statement:",
4218    "ans": "d",
4219    "opt": {
4220      "a": " Asymptotics are used for inference usually",
4221      "b": " caret includes several functions to pre-process the predictor data",
4222      "c": " The function dummyVars can be used to generate a complete set of dummy variables from one or more factors",
4223      "d": " All of the Mentioned"
4224    }
4225  },
4226  {
4227    "name": "Question 384",
4228    "desc": "Which of the following can be used to create sub�samples using a maximum dissimilarity approach ?",
4229    "ans": "b",
4230    "opt": {
4231      "a": " minDissim",
4232      "b": " maxDissim",
4233      "c": " inmaxDissim",
4234      "d": " all of the Mentioned"
4235    }
4236  },
4237  {
4238    "name": "Question 385",
4239    "desc": "caret does not use the proxy package.",
4240    "ans": "b",
4241    "opt": {
4242      "a": "ue",
4243      "b": "LSE",
4244      "c": "ne",
4245      "d": "ne"
4246    }
4247  },
4248  {
4249    "name": "Question 386",
4250    "desc": "Which of the following function can be used to create balanced splits of the data ?",
4251    "ans": "b",
4252    "opt": {
4253      "a": " newDataPartition",
4254      "b": " createDataPartition",
4255      "c": " renameDataPartition",
4256      "d": " none of the Mentioned"
4257    }
4258  },
4259  {
4260    "name": "Question 387",
4261    "desc": "Which of the following package tools are present in caret ?",
4262    "ans": "d",
4263    "opt": {
4264      "a": " pre-processing",
4265      "b": " feature selection",
4266      "c": " model tuning",
4267      "d": " all of the Mentioned"
4268    }
4269  },
4270  {
4271    "name": "Question 388",
4272    "desc": "caret stands for classification And regression training.\r",
4273    "ans": "a",
4274    "opt": {
4275      "a": "ue",
4276      "b": "LSE",
4277      "c": "ne",
4278      "d": "ne"
4279    }
4280  },
4281  {
4282    "name": "Question 389",
4283    "desc": "Which of the following function is a wrapper for different lattice plots to visualize the data ?",
4284    "ans": "b",
4285    "opt": {
4286      "a": " levelplot",
4287      "b": " featurePlot",
4288      "c": " plotsample",
4289      "d": " none of the Mentioned"
4290    }
4291  },
4292  {
4293    "name": "Question 390",
4294    "desc": "Point out the wrong statement:",
4295    "ans": "a",
4296    "opt": {
4297      "a": " In every situation, the data generating mechanism can create predictors that only have a single unique value",
4298      "b": " Predictors might have only a handful of unique values that occur with very low frequencies",
4299      "c": " The function findLinearCombos uses the QR decomposition of a matrix to enumerate sets of linear combinations",
4300      "d": " All of the Mentioned"
4301    }
4302  },
4303  {
4304    "name": "Question 391",
4305    "desc": "Which of the following function can be used to identify near zero-variance variables ?",
4306    "ans": "c",
4307    "opt": {
4308      "a": " zeroVar",
4309      "b": " nearVar",
4310      "c": " nearZeroVar",
4311      "d": " all of the Mentioned"
4312    }
4313  },
4314  {
4315    "name": "Question 392",
4316    "desc": "Which of the following function can be used to flag predictors for removal ?",
4317    "ans": "c",
4318    "opt": {
4319      "a": " searchCorrelation",
4320      "b": " findCausation",
4321      "c": " findCorrelation",
4322      "d": " none of the Mentioned"
4323    }
4324  },
4325  {
4326    "name": "Question 393",
4327    "desc": "Point out the correct statement:",
4328    "ans": "b",
4329    "opt": {
4330      "a": " findLinearColumns will also return a vector of column positions can be removed to eliminate the linear dependencies",
4331      "b": " findLinearCombos will return a list that enumerates dependencies",
4332      "c": " The function findLinearRows can be used to generate a complete set of row variables from one factor",
4333      "d": " none of the Mentioned"
4334    }
4335  },
4336  {
4337    "name": "Question 394",
4338    "desc": "Which of the following can be used to impute data sets based only on information in the training set?",
4339    "ans": "b",
4340    "opt": {
4341      "a": " postProcess",
4342      "b": " preProcess",
4343      "c": " process",
4344      "d": " all of the Mentioned"
4345    }
4346  },
4347  {
4348    "name": "Question 395",
4349    "desc": "The function preProcess estimates the required parameters for each operation.",
4350    "ans": "a",
4351    "opt": {
4352      "a": "ue",
4353      "b": "LSE",
4354      "c": "ne",
4355      "d": "ne"
4356    }
4357  },
4358  {
4359    "name": "Question 396",
4360    "desc": "Which of the following can also be used to find new variables that are linear combinations of the original set with independent components ?",
4361    "ans": "a",
4362    "opt": {
4363      "a": " ICA",
4364      "b": " SCA",
4365      "c": " PCA",
4366      "d": " None of the Mentioned"
4367    }
4368  },
4369  {
4370    "name": "Question 397",
4371    "desc": "Which of the following function is used to generate the class distances ?",
4372    "ans": "b",
4373    "opt": {
4374      "a": " preprocess.classDist",
4375      "b": " predict.classDist",
4376      "c": " predict.classDistance",
4377      "d": " all of the Mentioned"
4378    }
4379  },
4380  {
4381    "name": "Question 398",
4382    "desc": "The preProcess class can be used for many operations on predictors.",
4383    "ans": "a",
4384    "opt": {
4385      "a": "ue",
4386      "b": "LSE",
4387      "c": "ne",
4388      "d": "ne"
4389    }
4390  },
4391  {
4392    "name": "Question 399",
4393    "desc": "varImp is a wrapper around the evimp function in the _______ package.",
4394    "ans": "b",
4395    "opt": {
4396      "a": " numpy",
4397      "b": " earth",
4398      "c": " plot",
4399      "d": " none of the Mentioned"
4400    }
4401  },
4402  {
4403    "name": "Question 400",
4404    "desc": "Point out the wrong statement:",
4405    "ans": "c",
4406    "opt": {
4407      "a": " The trapezoidal rule is used to compute the area under the ROC curve",
4408      "b": " For regression, the relationship between each predictor and the outcome is evaluated",
4409      "c": " An argument, para, is used to pick the model fitting technique",
4410      "d": " All of the Mentioned"
4411    }
4412  },
4413  {
4414    "name": "Question 401",
4415    "desc": "Which of the following curve analysis is conducted on each predictor for classification ?",
4416    "ans": "b",
4417    "opt": {
4418      "a": " NOC",
4419      "b": " ROC",
4420      "c": " COC",
4421      "d": " All of the Mentioned"
4422    }
4423  },
4424  {
4425    "name": "Question 402",
4426    "desc": "Which of the following function tracks the changes in model statistics ?",
4427    "ans": "a",
4428    "opt": {
4429      "a": " varImp",
4430      "b": " varImpTrack",
4431      "c": " findTrack",
4432      "d": " none of the Mentioned"
4433    }
4434  },
4435  {
4436    "name": "Question 403",
4437    "desc": "Point out the correct statement:",
4438    "ans": "a",
4439    "opt": {
4440      "a": " The difference between the class centroids and the overall centroid is used to measure the variable influence",
4441      "b": " The Bagged Trees output contains variable usage statistics",
4442      "c": " Boosted Trees uses different approach as a single tree",
4443      "d": " None of the Mentioned"
4444    }
4445  },
4446  {
4447    "name": "Question 404",
4448    "desc": "Which of the following model model include a backwards elimination feature selection routine ?",
4449    "ans": "b",
4450    "opt": {
4451      "a": " MCV",
4452      "b": " MARS",
4453      "c": " MCRS",
4454      "d": " All of the Mentioned"
4455    }
4456  },
4457  {
4458    "name": "Question 405",
4459    "desc": "The advantage of using a model-based approach is that is more closely tied to the model performance.\r",
4460    "ans": "a",
4461    "opt": {
4462      "a": "ue",
4463      "b": "LSE",
4464      "c": "ne",
4465      "d": "ne"
4466    }
4467  },
4468  {
4469    "name": "Question 406",
4470    "desc": "Which of the following model sums the importance over each boosting iteration ?",
4471    "ans": "a",
4472    "opt": {
4473      "a": " Boosted Trees",
4474      "b": " Bagged Trees",
4475      "c": " Partial Least Squares",
4476      "d": " None of the Mentioned"
4477    }
4478  },
4479  {
4480    "name": "Question 407",
4481    "desc": "Which of the following argument is used to set importance values ?",
4482    "ans": "a",
4483    "opt": {
4484      "a": " scale",
4485      "b": " set",
4486      "c": " value",
4487      "d": " all of the Mentioned"
4488    }
4489  },
4490  {
4491    "name": "Question 408",
4492    "desc": "For most classification models, each predictor will have a separate variable importance for each class.\ra) True\rb) False\rView Answer",
4493    "ans": "a",
4494    "opt": {
4495      "a": "",
4496      "b": "",
4497      "c": "",
4498      "d": ""
4499    }
4500  },
4501  {
4502    "name": "Question 409",
4503    "desc": "Which of the following is the valid component of predictor ?",
4504    "ans": "d",
4505    "opt": {
4506      "a": " data",
4507      "b": " question",
4508      "c": " algorithm",
4509      "d": " all of the Mentioned"
4510    }
4511  },
4512  {
4513    "name": "Question 410",
4514    "desc": "Point out the wrong statement:",
4515    "ans": "a",
4516    "opt": {
4517      "a": " In Sample Error is also called generalization error",
4518      "b": " Out of Sample Error is the error rate you get on the new dataset",
4519      "c": " In Sample Error is also called resubstitution error",
4520      "d": " All of the Mentioned"
4521    }
4522  },
4523  {
4524    "name": "Question 411",
4525    "desc": "Which of the following is correct order of working  ?",
4526    "ans": "a",
4527    "opt": {
4528      "a": " questions->input data ->algorithms",
4529      "b": " questions->evaluation ->algorithms",
4530      "c": " evaluation->input data ->algorithms",
4531      "d": " all of the Mentioned"
4532    }
4533  },
4534  {
4535    "name": "Question 412",
4536    "desc": "Which of the following shows correct relative order of importance ?",
4537    "ans": "b",
4538    "opt": {
4539      "a": " question->features->data->algorithms",
4540      "b": " question->data->features->algorithms",
4541      "c": " algorithms->data->features->question",
4542      "d": " none of the Mentioned"
4543    }
4544  },
4545  {
4546    "name": "Question 413",
4547    "desc": "Point out the correct statement:",
4548    "ans": "d",
4549    "opt": {
4550      "a": " In Sample Error is the error rate you get on the same dataset used to model a predictor",
4551      "b": " Data have two parts-signal and noise",
4552      "c": " The goal of predictor is to find signal",
4553      "d": " None of the Mentioned"
4554    }
4555  },
4556  {
4557    "name": "Question 414",
4558    "desc": "Which of the following is characteristic of best machine learning method ?",
4559    "ans": "d",
4560    "opt": {
4561      "a": " Fast",
4562      "b": " Accuracy",
4563      "c": " Scalable",
4564      "d": " All of the Mentioned"
4565    }
4566  },
4567  {
4568    "name": "Question 415",
4569    "desc": "True positive means correctly rejected.",
4570    "ans": "b",
4571    "opt": {
4572      "a": "ue",
4573      "b": "LSE",
4574      "c": "ne",
4575      "d": "ne"
4576    }
4577  },
4578  {
4579    "name": "Question 416",
4580    "desc": "Which of the following trade-off occurs during prediction ?",
4581    "ans": "d",
4582    "opt": {
4583      "a": " Speed vs Accuracy",
4584      "b": " Simplicity vs Accuracy",
4585      "c": " Scalability vs Accuracy",
4586      "d": " None of the Mentioned"
4587    }
4588  },
4589  {
4590    "name": "Question 417",
4591    "desc": "Which of the following expression is true ?",
4592    "ans": "a",
4593    "opt": {
4594      "a": " In sample error < out sample error",
4595      "b": " In sample error > out sample error",
4596      "c": " In sample error = out sample error",
4597      "d": " All of the Mentioned"
4598    }
4599  },
4600  {
4601    "name": "Question 418",
4602    "desc": "Backtesting is a key component of effective trading-system development.",
4603    "ans": "a",
4604    "opt": {
4605      "a": "ue",
4606      "b": "LSE",
4607      "c": "ne",
4608      "d": "ne"
4609    }
4610  },
4611  {
4612    "name": "Question 419",
4613    "desc": "Which of the following is correct use of cross validation?",
4614    "ans": "d",
4615    "opt": {
4616      "a": " Selecting variables to include in a model",
4617      "b": " Comparing predictors",
4618      "c": " Selecting parameters in prediction function",
4619      "d": " All of the Mentioned"
4620    }
4621  },
4622  {
4623    "name": "Question 420",
4624    "desc": "Point out the wrong combination:",
4625    "ans": "c",
4626    "opt": {
4627      "a": " True negative=correctly rejected",
4628      "b": " False negative=correctly rejected",
4629      "c": " False positive=correctly identified",
4630      "d": " All of the Mentioned"
4631    }
4632  },
4633  {
4634    "name": "Question 421",
4635    "desc": "Which of the following is common error measure?",
4636    "ans": "d",
4637    "opt": {
4638      "a": " Sensitivity",
4639      "b": " Median absolute deviation",
4640      "c": " Specificity",
4641      "d": " All of the Mentioned"
4642    }
4643  },
4644  {
4645    "name": "Question 422",
4646    "desc": "Which of the following is not a machine learning algorithm?",
4647    "ans": "a",
4648    "opt": {
4649      "a": " SVG",
4650      "b": " SVM",
4651      "c": " Random forest",
4652      "d": " None of the Mentioned"
4653    }
4654  },
4655  {
4656    "name": "Question 423",
4657    "desc": "Point out the wrong statement:",
4658    "ans": "d",
4659    "opt": {
4660      "a": " ROC curve stands for receiver operating characteristic",
4661      "b": " Foretime series, data must be in chunks",
4662      "c": " Random sampling must be done with replacement",
4663      "d": " None of the Mentioned"
4664    }
4665  },
4666  {
4667    "name": "Question 424",
4668    "desc": "Which of the following is a categorical outcome?",
4669    "ans": "c",
4670    "opt": {
4671      "a": " RMSE",
4672      "b": " RSquared",
4673      "c": " Accuracy",
4674      "d": " All of the Mentioned"
4675    }
4676  },
4677  {
4678    "name": "Question 425",
4679    "desc": "For k cross-validation, larger k value implies more bias.",
4680    "ans": "b",
4681    "opt": {
4682      "a": "ue",
4683      "b": "LSE",
4684      "c": "ne",
4685      "d": "ne"
4686    }
4687  },
4688  {
4689    "name": "Question 426",
4690    "desc": "Which of the following method is used for trainControl resampling?",
4691    "ans": "a",
4692    "opt": {
4693      "a": " repeatedcv",
4694      "b": " svm",
4695      "c": " bag32",
4696      "d": " none of the Mentioned"
4697    }
4698  },
4699  {
4700    "name": "Question 427",
4701    "desc": "Which of the following can be used to create the most common graph types?",
4702    "ans": "a",
4703    "opt": {
4704      "a": " qplot",
4705      "b": " quickplot",
4706      "c": " plot",
4707      "d": " all of the Mentioned"
4708    }
4709  },
4710  {
4711    "name": "Question 428",
4712    "desc": "For k cross-validation, smaller k value implies less variance.",
4713    "ans": "a",
4714    "opt": {
4715      "a": "ue",
4716      "b": "LSE",
4717      "c": "ne",
4718      "d": "ne"
4719    }
4720  },
4721  {
4722    "name": "Question 429",
4723    "desc": "Predicting with trees evaluate _____________ within each group of data.",
4724    "ans": "b",
4725    "opt": {
4726      "a": " equality",
4727      "b": " homogeneity",
4728      "c": " heterogeneity",
4729      "d": " all of the Mentioned"
4730    }
4731  },
4732  {
4733    "name": "Question 430",
4734    "desc": "Point out the wrong statement:",
4735    "ans": "a",
4736    "opt": {
4737      "a": " Training and testing data must be processed in different way",
4738      "b": " Test transformation would mostly be imperfect",
4739      "c": " The first goal is statistical and second is data compression in PCA",
4740      "d": " All of the Mentioned"
4741    }
4742  },
4743  {
4744    "name": "Question 431",
4745    "desc": "Which of the following method options is provided by train function for bagging ?",
4746    "ans": "d",
4747    "opt": {
4748      "a": " bagEarth",
4749      "b": " treebag",
4750      "c": " bagFDA",
4751      "d": " all of the Mentioned"
4752    }
4753  },
4754  {
4755    "name": "Question 432",
4756    "desc": "Which of the following is correct with respect to random forest?",
4757    "ans": "a",
4758    "opt": {
4759      "a": " Random forest are difficult to interpret but often very accurate",
4760      "b": " Random forest are easy to interpret but often very accurate",
4761      "c": " Random forest are difficult to interpret but very less accurate",
4762      "d": " None of the Mentioned"
4763    }
4764  },
4765  {
4766    "name": "Question 433",
4767    "desc": "Point out the correct statement:",
4768    "ans": "d",
4769    "opt": {
4770      "a": " Prediction with regression is easy to implement",
4771      "b": " Prediction with regression is easy to interpret",
4772      "c": " Prediction with regression performs well when linear model is correct",
4773      "d": " All of the Mentioned"
4774    }
4775  },
4776  {
4777    "name": "Question 434",
4778    "desc": "Which of the following library is used for boosting generalized additive models ?",
4779    "ans": "a",
4780    "opt": {
4781      "a": " gamBoost",
4782      "b": " gbm",
4783      "c": " ada",
4784      "d": " all of the Mentioned"
4785    }
4786  },
4787  {
4788    "name": "Question 435",
4789    "desc": "The principal components are equal to left singular values if you first scale the variables.",
4790    "ans": "b",
4791    "opt": {
4792      "a": "ue",
4793      "b": "LSE",
4794      "c": "ne",
4795      "d": "ne"
4796    }
4797  },
4798  {
4799    "name": "Question 436",
4800    "desc": "Which of the following is statistical boosting based on additive logistic regression ?",
4801    "ans": "a",
4802    "opt": {
4803      "a": " gamBoost",
4804      "b": " gbm",
4805      "c": " ada",
4806      "d": " mboost"
4807    }
4808  },
4809  {
4810    "name": "Question 437",
4811    "desc": "Which of the following is one of the largest boost subclass in boosting ?",
4812    "ans": "b",
4813    "opt": {
4814      "a": " variance boosting",
4815      "b": " gradient boosting",
4816      "c": " mean boosting",
4817      "d": " all of the Mentioned"
4818    }
4819  },
4820  {
4821    "name": "Question 438",
4822    "desc": "PCA is most useful for non linear type models.",
4823    "ans": "b",
4824    "opt": {
4825      "a": "ue",
4826      "b": "LSE",
4827      "c": "ne",
4828      "d": "ne"
4829    }
4830  },
4831  {
4832    "name": "Question 439",
4833    "desc": "Which of the following is correct about regularized regression ?",
4834    "ans": "a",
4835    "opt": {
4836      "a": " Can help with bias trade-off",
4837      "b": " Cannot help with model selection",
4838      "c": " Cannot help with variance trade-off",
4839      "d": " All of the Mentioned"
4840    }
4841  },
4842  {
4843    "name": "Question 440",
4844    "desc": "Point out the wrong statement:",
4845    "ans": "c",
4846    "opt": {
4847      "a": " Model based approach may be computationally convenient",
4848      "b": " Model based approach use Bayes theorem",
4849      "c": " Model based approach are reasonably inaccurate on real problems",
4850      "d": " All of the Mentioned"
4851    }
4852  },
4853  {
4854    "name": "Question 441",
4855    "desc": "Which of the following methods are present in caret for regularized regression ?",
4856    "ans": "d",
4857    "opt": {
4858      "a": " ridge",
4859      "b": " lasso",
4860      "c": " relaxo",
4861      "d": " all of the Mentioned"
4862    }
4863  },
4864  {
4865    "name": "Question 442",
4866    "desc": "Which of the following method can be used to combine different classifiers ?",
4867    "ans": "a",
4868    "opt": {
4869      "a": " Model stacking",
4870      "b": " Model combining",
4871      "c": " Model structuring",
4872      "d": " None of the Mentioned"
4873    }
4874  },
4875  {
4876    "name": "Question 443",
4877    "desc": "Point out the correct statement:",
4878    "ans": "c",
4879    "opt": {
4880      "a": " Combining classifiers improves interpretability",
4881      "b": " Combining classifiers reduces accuracy",
4882      "c": " Combining classifiers improves accuracy",
4883      "d": " All of the Mentioned"
4884    }
4885  },
4886  {
4887    "name": "Question 444",
4888    "desc": "Which of the following function provides unsupervised prediction ?",
4889    "ans": "d",
4890    "opt": {
4891      "a": " cl_forecast",
4892      "b": " cl_nowcast",
4893      "c": " cl_precast",
4894      "d": " none of the Mentioned"
4895    }
4896  },
4897  {
4898    "name": "Question 445",
4899    "desc": "Model based prediction considers relatively easy version for covariance matrix.",
4900    "ans": "b",
4901    "opt": {
4902      "a": "ue",
4903      "b": "LSE",
4904      "c": "ne",
4905      "d": "ne"
4906    }
4907  },
4908  {
4909    "name": "Question 446",
4910    "desc": "Which of the following is used to assist the quantitative trader in the development ?",
4911    "ans": "a",
4912    "opt": {
4913      "a": " quantmod",
4914      "b": " quantile",
4915      "c": " quantity",
4916      "d": " mboost"
4917    }
4918  },
4919  {
4920    "name": "Question 447",
4921    "desc": "Which of the following function can be used for forecasting ?",
4922    "ans": "b",
4923    "opt": {
4924      "a": " predict",
4925      "b": " forecast",
4926      "c": " ets",
4927      "d": " all of the Mentioned"
4928    }
4929  },
4930  {
4931    "name": "Question 448",
4932    "desc": "Predictive analytics is same as forecasting.",
4933    "ans": "b",
4934    "opt": {
4935      "a": "ue",
4936      "b": "LSE",
4937      "c": "ne",
4938      "d": "ne"
4939    }
4940  },
4941  {
4942    "name": "Question 449",
4943    "desc": "Which of the following project is used for calling R products from web ?",
4944    "ans": "a",
4945    "opt": {
4946      "a": " OpenCPU",
4947      "b": " OpenDisk",
4948      "c": " OpenMem",
4949      "d": " All of the Mentioned"
4950    }
4951  },
4952  {
4953    "name": "Question 450",
4954    "desc": "Point out the wrong statement:",
4955    "ans": "c",
4956    "opt": {
4957      "a": " Shiny is platform for creating interactive programs embedded in to web page",
4958      "b": " Shiny is invented by R folks",
4959      "c": " Time required to create data products using shiny is more",
4960      "d": " All of the Mentioned"
4961    }
4962  },
4963  {
4964    "name": "Question 451",
4965    "desc": "Which of the following statement will install shiny ?",
4966    "ans": "a",
4967    "opt": {
4968      "a": " install.packages(�shiny�)",
4969      "b": " install.library(�shiny�)",
4970      "c": " install.lib(�shiny�)",
4971      "d": " all of the Mentioned"
4972    }
4973  },
4974  {
4975    "name": "Question 452",
4976    "desc": "Which of the following can be done by shiny ?",
4977    "ans": "d",
4978    "opt": {
4979      "a": " Tabbed main panels",
4980      "b": " Editable data tables",
4981      "c": " Dynamic UI",
4982      "d": " All of the Mentioned"
4983    }
4984  },
4985  {
4986    "name": "Question 453",
4987    "desc": "Point out the correct statement:",
4988    "ans": "d",
4989    "opt": {
4990      "a": " shiny project is a directory containing at least three parts",
4991      "b": " shiny project is a file containing at least three parts",
4992      "c": " shiny project consist is a directory containing only one part",
4993      "d": " none of the Mentioned"
4994    }
4995  },
4996  {
4997    "name": "Question 454",
4998    "desc": "Which of the following function can interrupt execution and can be called continuously ?",
4999    "ans": "a",
5000    "opt": {
5001      "a": " browser()",
5002      "b": " browse()",
5003      "c": " search()",
5004      "d": " all of the Mentioned"
5005    }
5006  },
5007  {
5008    "name": "Question 455",
5009    "desc": "runApp() will run the shiny and open the browser window.",
5010    "ans": "a",
5011    "opt": {
5012      "a": "ue",
5013      "b": "LSE",
5014      "c": "ne",
5015      "d": "ne"
5016    }
5017  },
5018  {
5019    "name": "Question 456",
5020    "desc": "Which of the following function is for single checkbox widget ?",
5021    "ans": "a",
5022    "opt": {
5023      "a": " checkboxInput",
5024      "b": " dateInput",
5025      "c": " singleboxInput",
5026      "d": " all of the Mentioned"
5027    }
5028  },
5029  {
5030    "name": "Question 457",
5031    "desc": "How many components are involved in shiny ?",
5032    "ans": "d",
5033    "opt": {
5034      "a": " 3",
5035      "b": " 4",
5036      "c": " 5",
5037      "d": " none of the Mentioned"
5038    }
5039  },
5040  {
5041    "name": "Question 458",
5042    "desc": "All of the styled elements are handled through server.R.\r",
5043    "ans": "b",
5044    "opt": {
5045      "a": "ue",
5046      "b": "LSE",
5047      "c": "ne",
5048      "d": "ne"
5049    }
5050  },
5051  {
5052    "name": "Question 459",
5053    "desc": "Which of the following framework is compatible with slidify ?",
5054    "ans": "b",
5055    "opt": {
5056      "a": " io2015",
5057      "b": " io2012",
5058      "c": " d3",
5059      "d": " all of the Mentioned"
5060    }
5061  },
5062  {
5063    "name": "Question 460",
5064    "desc": "Point out the wrong statement:",
5065    "ans": "b",
5066    "opt": {
5067      "a": " Slidify is created by Ramnath Vaidyanathan",
5068      "b": " Slidify is non customizable",
5069      "c": " Slidify presentation are just HTML files",
5070      "d": " All of the Mentioned"
5071    }
5072  },
5073  {
5074    "name": "Question 461",
5075    "desc": "Which of the following statement will load slidify ?",
5076    "ans": "a",
5077    "opt": {
5078      "a": " library(slidify)",
5079      "b": " install.library(slidify)",
5080      "c": " install.load(slidify)",
5081      "d": " all of the Mentioned"
5082    }
5083  },
5084  {
5085    "name": "Question 462",
5086    "desc": "Which of the following will be used to compose the content of presentation ?",
5087    "ans": "b",
5088    "opt": {
5089      "a": " ui.RMD",
5090      "b": " index.RMD",
5091      "c": " server.RMD",
5092      "d": " all of the Mentioned"
5093    }
5094  },
5095  {
5096    "name": "Question 463",
5097    "desc": "Point out the correct statement:",
5098    "ans": "a",
5099    "opt": {
5100      "a": " Slidify allows embedded code chunks",
5101      "b": " Slidify presentation cannot be shared easily",
5102      "c": " Slidify is difficult to use",
5103      "d": " None of the Mentioned"
5104    }
5105  },
5106  {
5107    "name": "Question 464",
5108    "desc": "Which of the following statement generates a html slide deck from index.Rmd ?",
5109    "ans": "a",
5110    "opt": {
5111      "a": " slidify(�index.Rmd�)",
5112      "b": " lib.slidify(�index.Rmd�)",
5113      "c": " slidifylib(�index.Rmd�)",
5114      "d": " all of the Mentioned"
5115    }
5116  },
5117  {
5118    "name": "Question 465",
5119    "desc": "The first part of index.Rmd is XML code.\r",
5120    "ans": "b",
5121    "opt": {
5122      "a": "ue",
5123      "b": "LSE",
5124      "c": "ne",
5125      "d": "ne"
5126    }
5127  },
5128  {
5129    "name": "Question 466",
5130    "desc": "Which of the following statement will install slidify from github ?",
5131    "ans": "a",
5132    "opt": {
5133      "a": " install_github(�slidify�, �ramnathv�)",
5134      "b": " install_github(�slidify�, �r�)",
5135      "c": " install(�slidify�, �ramnathv�)",
5136      "d": " all of the Mentioned"
5137    }
5138  },
5139  {
5140    "name": "Question 467",
5141    "desc": "Which of the following element can be added to slidify ?",
5142    "ans": "d",
5143    "opt": {
5144      "a": " Quiz",
5145      "b": " RCharts",
5146      "c": " Shiny apps",
5147      "d": " All of the Mentioned"
5148    }
5149  },
5150  {
5151    "name": "Question 468",
5152    "desc": "MathJax is a cross-browser JavaScript library that displays mathematical notation in web browsers.\r",
5153    "ans": "a",
5154    "opt": {
5155      "a": "ue",
5156      "b": "LSE",
5157      "c": "ne",
5158      "d": "ne"
5159    }
5160  },
5161  {
5162    "name": "Question 469",
5163    "desc": "Which of the following is R interface to google charts ?",
5164    "ans": "a",
5165    "opt": {
5166      "a": " googleVis",
5167      "b": " googleChart",
5168      "c": " googleDataVis",
5169      "d": " all of the Mentioned"
5170    }
5171  },
5172  {
5173    "name": "Question 470",
5174    "desc": "Point out the wrong statement:",
5175    "ans": "a",
5176    "opt": {
5177      "a": " The plot command does open a graphics device in the modern way",
5178      "b": " Motion Chart is only displayed when hosted on a web server",
5179      "c": " gvisMotionChart is used to create motion chart",
5180      "d": " All of the Mentioned"
5181    }
5182  },
5183  {
5184    "name": "Question 471",
5185    "desc": "Which of the following create a Google Gadget based on a Google Visualization Object ?",
5186    "ans": "b",
5187    "opt": {
5188      "a": " createGadget",
5189      "b": " createGoogleGadget",
5190      "c": " newGoogleGadget",
5191      "d": " all of the Mentioned"
5192    }
5193  },
5194  {
5195    "name": "Question 472",
5196    "desc": "Which of the following  reads a data.frame and creates text output referring to the Google Visualization API ?",
5197    "ans": "c",
5198    "opt": {
5199      "a": " gvisAnnotatedLine",
5200      "b": " gvisTimeLine",
5201      "c": " gvisAnnotatedTimeLine",
5202      "d": " none of the Mentioned"
5203    }
5204  },
5205  {
5206    "name": "Question 473",
5207    "desc": "Point out the correct statement:",
5208    "ans": "d",
5209    "opt": {
5210      "a": " gvisAnnotationChart returns list of class �gvis� and �list�",
5211      "b": " The gvisAreaChart function reads a data.frame and creates text output referring to the Google Visualization API",
5212      "c": " gvisAreaChart returns list of class �gvis� and �list�",
5213      "d": " All of the Mentioned"
5214    }
5215  },
5216  {
5217    "name": "Question 474",
5218    "desc": "Which of the following is used for creating interacting tables ?",
5219    "ans": "b",
5220    "opt": {
5221      "a": " gvisGeoChart",
5222      "b": " gvisTable",
5223      "c": " gvisLineChart",
5224      "d": " all of the Mentioned"
5225    }
5226  },
5227  {
5228    "name": "Question 475",
5229    "desc": "gvisAnnotatedTimeLine returns list of class �gvis� and �list�.\r",
5230    "ans": "a",
5231    "opt": {
5232      "a": "ue",
5233      "b": "LSE",
5234      "c": "ne",
5235      "d": "ne"
5236    }
5237  },
5238  {
5239    "name": "Question 476",
5240    "desc": "The actual chart of gvisBarChart is rendered by the web browser using _________ or VML.",
5241    "ans": "b",
5242    "opt": {
5243      "a": " JPEG",
5244      "b": " SVG",
5245      "c": " PDF",
5246      "d": " All of the Mentioned"
5247    }
5248  },
5249  {
5250    "name": "Question 477",
5251    "desc": "Which of the following is used for creating tree maps ?",
5252    "ans": "c",
5253    "opt": {
5254      "a": " gvisGeoChart",
5255      "b": " gvisTable",
5256      "c": " gvisTreeMap",
5257      "d": " all of the Mentioned"
5258    }
5259  },
5260  {
5261    "name": "Question 478",
5262    "desc": "gvisAnnotationChart charts are interactive time series line charts that support annotations.\r",
5263    "ans": "a",
5264    "opt": {
5265      "a": "ue",
5266      "b": "LSE",
5267      "c": "ne",
5268      "d": "ne"
5269    }
5270  },
5271  {
5272    "name": "Question 479",
5273    "desc": "Which of the following is contained in NumPy library?",
5274    "ans": "d",
5275    "opt": {
5276      "a": " n-dimensional array object",
5277      "b": " tools for integrating C/C++ and Fortran code",
5278      "c": " fourier transform",
5279      "d": " all of the Mentioned"
5280    }
5281  },
5282  {
5283    "name": "Question 480",
5284    "desc": "Point out the wrong statement:",
5285    "ans": "c",
5286    "opt": {
5287      "a": " ipython is an enhanced interactive Python shell",
5288      "b": " matplotlib will enable you to plot graphics",
5289      "c": " rPy provides a lot of scientific routines that work on top of NumPy",
5290      "d": " all of the Mentioned"
5291    }
5292  },
5293  {
5294    "name": "Question 481",
5295    "desc": "The ________ function returns its argument with a modified shape, whereas the ________ method modifies the array itself.",
5296    "ans": "a",
5297    "opt": {
5298      "a": " reshape,resize",
5299      "b": " resize,reshape",
5300      "c": " reshape2,resize",
5301      "d": " all of the Mentioned"
5302    }
5303  },
5304  {
5305    "name": "Question 482",
5306    "desc": "To create sequences of numbers, NumPy provides a function __________ analogous to range that returns arrays instead of lists.",
5307    "ans": "a",
5308    "opt": {
5309      "a": " arange",
5310      "b": " aspace",
5311      "c": " aline",
5312      "d": " all of the Mentioned"
5313    }
5314  },
5315  {
5316    "name": "Question 483",
5317    "desc": "Point out the correct statement:",
5318    "ans": "d",
5319    "opt": {
5320      "a": " NumPy main object is the homogeneous multidimensional array",
5321      "b": " In Numpy, dimensions are called axes",
5322      "c": " Numpy array class is called ndarray",
5323      "d": " All of the Mentioned"
5324    }
5325  },
5326  {
5327    "name": "Question 484",
5328    "desc": "Which of the following function stacks 1D arrays as columns into a 2D array?",
5329    "ans": "b",
5330    "opt": {
5331      "a": " row_stack",
5332      "b": " column_stack",
5333      "c": " com_stack",
5334      "d": " all of the Mentioned"
5335    }
5336  },
5337  {
5338    "name": "Question 485",
5339    "desc": "ndarray is also known as the alias array.\r",
5340    "ans": "a",
5341    "opt": {
5342      "a": "ue",
5343      "b": "LSE",
5344      "c": "ne",
5345      "d": "ne"
5346    }
5347  },
5348  {
5349    "name": "Question 486",
5350    "desc": "Which of the following method creates a new array object that looks at the same data?",
5351    "ans": "a",
5352    "opt": {
5353      "a": " view",
5354      "b": " copy",
5355      "c": " paste",
5356      "d": " all of the Mentioned"
5357    }
5358  },
5359  {
5360    "name": "Question 487",
5361    "desc": "Which of the following function can be used to combine different vectors so as to obtain the result for each n-uplet?",
5362    "ans": "b",
5363    "opt": {
5364      "a": " iid_",
5365      "b": " ix_",
5366      "c": " ixd_",
5367      "d": " all of the Mentioned"
5368    }
5369  },
5370  {
5371    "name": "Question 488",
5372    "desc": "ndarray.dataitemSize is the buffer containing the actual elements of the array.\r",
5373    "ans": "a",
5374    "opt": {
5375      "a": "ue",
5376      "b": "LSE",
5377      "c": "ne",
5378      "d": "ne"
5379    }
5380  },
5381  {
5382    "name": "Question 489",
5383    "desc": "Which of the following sets the size of the buffer used in ufuncs ?",
5384    "ans": "c",
5385    "opt": {
5386      "a": " bufsize(size)",
5387      "b": " setsize(size)",
5388      "c": " setbufsize(size)",
5389      "d": " all of the Mentioned"
5390    }
5391  },
5392  {
5393    "name": "Question 490",
5394    "desc": "Point out the wrong statement:",
5395    "ans": "b",
5396    "opt": {
5397      "a": " A universal function is a function that operates on ndarrays in an element-by-element fashion",
5398      "b": " In Numpy, universal functions are instances of the numpy.ufunction class",
5399      "c": " Many of the built-in functions are implemented in compiled C code",
5400      "d": " All of the Mentioned"
5401    }
5402  },
5403  {
5404    "name": "Question 491",
5405    "desc": "Which of the following attribute should be used while checking for type combination input and output ?",
5406    "ans": "a",
5407    "opt": {
5408      "a": " .types",
5409      "b": " .type",
5410      "c": " .class",
5411      "d": " all of the Mentioned"
5412    }
5413  },
5414  {
5415    "name": "Question 492",
5416    "desc": "Which of the following returns an array of ones with the same shape and type as a given array ?",
5417    "ans": "b",
5418    "opt": {
5419      "a": " all_like",
5420      "b": " ones_like",
5421      "c": " one_alike",
5422      "d": " all of the Mentioned"
5423    }
5424  },
5425  {
5426    "name": "Question 493",
5427    "desc": "Point out the wrong statement:",
5428    "ans": "c",
5429    "opt": {
5430      "a": " Each universal function takes array inputs and produces array outputs",
5431      "b": " Broadcasting is used throughout NumPy to decide how to handle disparately shaped arrays",
5432      "c": " The output of the ufunc is necessarily an ndarray, if all input arguments are ndarrays",
5433      "d": " All of the Mentioned"
5434    }
5435  },
5436  {
5437    "name": "Question 494",
5438    "desc": "Which of the following set the floating-point error callback function or log object ?",
5439    "ans": "b",
5440    "opt": {
5441      "a": " setter",
5442      "b": " settercall",
5443      "c": " setterstack",
5444      "d": " all of the Mentioned"
5445    }
5446  },
5447  {
5448    "name": "Question 495",
5449    "desc": "Some ufuncs can take output arguments.\r",
5450    "ans": "b",
5451    "opt": {
5452      "a": "UE",
5453      "b": "LSE",
5454      "c": " not choose",
5455      "d": " not choose"
5456    }
5457  },
5458  {
5459    "name": "Question 496",
5460    "desc": "___________ decompose the elements of x into mantissa and twos exponent.",
5461    "ans": "c",
5462    "opt": {
5463      "a": " trunc",
5464      "b": " fmod",
5465      "c": " frexp",
5466      "d": " ldexp"
5467    }
5468  },
5469  {
5470    "name": "Question 497",
5471    "desc": "Which of the following function take only single value as input ?",
5472    "ans": "a",
5473    "opt": {
5474      "a": " iscomplex",
5475      "b": " minimum",
5476      "c": " fmin",
5477      "d": " all of the Mentioned"
5478    }
5479  },
5480  {
5481    "name": "Question 498",
5482    "desc": "The array object returned by __array_prepare__ is passed to the ufunc for computation.\r",
5483    "ans": "a",
5484    "opt": {
5485      "a": "UE",
5486      "b": "LSE",
5487      "c": " not choose",
5488      "d": " not choose"
5489    }
5490  }
5491]