21 + Interview Questions in Data Science in Important Topics Page 1 InterviewSolution

1.	Which of the following can be done by shiny?
Answer» Which of the following can be done by shiny? Choose the correct option from below list (1)TABBED main panels (2)Editable data TABLES (3)Dynamic UI (4)All of the MENTIONED Answer:-(4)All of the mentioned

Discussion

2.	Which of the following is correct with respect to random forest?
Answer» Which of the following is correct with respect to random FOREST? CHOOSE the correct OPTION from below list (1)Random forest are difficult to interpret but OFTEN very ACCURATE (2)Random forest are easy to interpret but often very accurate (3)Random forest are difficult to interpret but very less accurate (4)None of the mentioned Answer:-(1)Random forest are difficult to interpret but often very accurate

Discussion

3.	Which of the following expression is true?
Answer» Which of the FOLLOWING EXPRESSION is TRUE? Choose the correct option from below list (1)In sample error < out sample error (2)In sample error > out sample error (3)In sample error = out sample error (4)All of the mentioned Answer:-(1)In sample error < out sample error

Discussion

4.	Which of the following characteristic of big data is relatively more concerned to data science?
Answer» Which of the following CHARACTERISTIC of big data is relatively more concerned to data science? Choose the correct option from below LIST (1)VELOCITY (2)Variety (3)Volume (4)None of the mentioned Answer:-(2)Variety

Discussion

5.	runApp() will run the shiny and open the browser window.
Answer» RUNAPP() will run the SHINY and open the BROWSER window. Choose the CORRECT option from below list (1)True (2)False Answer:-(1)True

Discussion

6.	Which of the following function can be used to flag predictors for removal?
Answer» Which of the following FUNCTION can be used to flag predictors for removal? Choose the CORRECT option from below list (1)SEARCHCORRELATION (2)findCausation (3)findCorrelation (4)NONE of the mentioned Answer:-(3)findCorrelation

Discussion

7.	Which of the following function is for single checkbox widget?
Answer» Which of the FOLLOWING function is for single checkbox widget? Choose the CORRECT OPTION from below list (1)checkboxInput (2)DATEINPUT (3)singleboxInput (4)all of the mentioned Answer:-(1)checkboxInput

Discussion

8.	Which of the following term is appropriate to the below figure?
Answer» Which of the following term is APPROPRIATE to the below figure? Choose the correct OPTION from below list (1)Large Data (2)Big Data (3)DARK Data (4)None of the mentioned Answer:-(2)Big Data

Discussion

9.	Point out the correct statement in term of Data Science.
Answer» Point out the correct statement in TERM of Data Science. Choose the correct OPTION from below list (1)In Sample Error is the error rate you GET on the same dataset used to model a predictor (2)Data have TWO parts-signal and noise (3)The goal of predictor is to FIND signal (4)None of the mentioned Answer:-(4)None of the mentioned

Discussion

10.	Which of the following library is used for boosting generalized additive models?
Answer» Which of the following LIBRARY is used for boosting generalized additive MODELS? Choose the CORRECT option from below list (1)gamBoost (2)gbm (3)ADA (4)all of the mentioned Answer:-(1)gamBoost

Discussion

11.	The function preProcess estimates the required parameters for each operation.
Answer» The function PREPROCESS estimates the required PARAMETERS for each operation. Choose the correct option from below LIST (1)True (2)False Answer:-(1)True

Discussion

12.	Which of the following is used to assist the quantitative trader in the development?
Answer» Which of the following is used to assist the quantitative trader in the development? CHOOSE the CORRECT option from below list (1)quantmod (2)quantile (3)QUANTITY (4)mboost Answer:-(1)quantmod

Discussion

13.	Which of the following is a common error measure?
Answer» Which of the following is a COMMON error measure? Choose the correct OPTION from below list (1)SENSITIVITY (2)Median absolute deviation (3)Specificity (4)All of the MENTIONED Answer:-(4)All of the mentioned

Discussion

14.	Which of the following is correct order of working?
Answer» Which of the FOLLOWING is correct ORDER of working? Choose the correct option from below list (1)questions->input data ->algorithms (2)questions->evaluation ->algorithms (3)evaluation(1)questions->input data ->algorithms ->input data ->algorithms (4)all of the mentioned Answer:-(1)questions->input data ->algorithms

Discussion

15.	Which of the following can be used to create the most common graph types?
Answer» Which of the following can be used to create the most COMMON graph TYPES? CHOOSE the correct option from below list (1)QPLOT (2)quickplot (3)plot (4)all of the mentioned Answer:-(1)qplot

Discussion

16.	Point out the wrong statement in term of data science.
Answer» Point out the wrong statement in term of data science. Choose the correct option from below list (1)SHINY is PLATFORM for creating INTERACTIVE programs embedded in to web page (2)Shiny is INVENTED by R folks (3)Time required to create data products using shiny is more (4)All of the mentioned Answer:-(3)Time required to create data products using shiny is more

Discussion

17.	Which of the following function can be used to combine different vectors so as to obtain the result for each n-uplet?
Answer» Which of the following FUNCTION can be used to COMBINE different vectors so as to obtain the result for each n uplet? Choose the correct option from below list (1)iid_ (2)ix_ (3)ixd_ (4)all of the mentioned Answer:-(2)ix_

Discussion

18.	Which of the following attribute should be used while checking for type combination input and output?
Answer» Which of the following attribute should be used while CHECKING for TYPE combination input and output? Choose the CORRECT option from below list (1).types (2).type (3).class (4)all of the mentioned Answer:-(1).types

Discussion

19.	How many components are involved in shiny?
Answer» How many components are involved in shiny? Choose the correct option from below list (1)3 (2)4 (3)5 (4)none of the mentioned Answer:-(4)none of the mentioned Note:- Shiny have TWO components (i)User-interface SCRIPT and (ii)server script

Discussion

20.	Which of the following methods are present in caret for regularized regression?
Answer» Which of the following methods are present in CARET for regularized regression? CHOOSE the correct option from below list (1)ridge (2)LASSO (3)relaxo (4)all of the mentioned Answer:-(4)all of the mentioned

Discussion

21.	Which of the following is not a machine learning algorithm?
Answer» Which of the following is not a machine LEARNING algorithm? Choose the correct option from below LIST (1)SVG (2)SVM (3)Random forest (4)None of the mentioned Answer:-(1)SVG

Discussion

Explore topic-wise InterviewSolutions in .

Which of the following can be done by shiny?

Which of the following is correct with respect to random forest?

Which of the following expression is true?

Which of the following characteristic of big data is relatively more concerned to data science?

runApp() will run the shiny and open the browser window.

Which of the following function can be used to flag predictors for removal?

Which of the following function is for single checkbox widget?

Which of the following term is appropriate to the below figure?

Point out the correct statement in term of Data Science.

Which of the following library is used for boosting generalized additive models?

The function preProcess estimates the required parameters for each operation.

Which of the following is used to assist the quantitative trader in the development?

Which of the following is a common error measure?

Which of the following is correct order of working?

Which of the following can be used to create the most common graph types?

Point out the wrong statement in term of data science.

Which of the following function can be used to combine different vectors so as to obtain the result for each n-uplet?

Which of the following attribute should be used while checking for type combination input and output?

How many components are involved in shiny?

Which of the following methods are present in caret for regularized regression?

Which of the following is not a machine learning algorithm?