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This section includes 15 Mcqs, each offering curated multiple-choice questions to sharpen your Data Science knowledge and support exam preparation. Choose a topic below to get started.
1. |
Predictive analytics is same as forecasting. |
A. | True |
B. | False |
Answer» C. | |
2. |
Which of the following function can be used for forecasting? |
A. | predict |
B. | forecast |
C. | ets |
D. | all of the mentioned |
Answer» C. ets | |
3. |
Which of the following is used to assist the quantitative trader in the development? |
A. | quantmod |
B. | quantile |
C. | quantity |
D. | mboost |
Answer» B. quantile | |
4. |
Which of the following function provides unsupervised prediction? |
A. | cl_forecast |
B. | cl_nowcast |
C. | cl_precast |
D. | none of the mentioned |
Answer» E. | |
5. |
Which of the following method can be used to combine different classifiers? |
A. | Model stacking |
B. | Model combining |
C. | Model structuring |
D. | None of the mentioned |
Answer» B. Model combining | |
6. |
Which of the following methods are present in caret for regularized regression? |
A. | ridge |
B. | lasso |
C. | relaxo |
D. | all of the mentioned |
Answer» E. | |
7. |
Which of the following is correct about regularized regression? |
A. | Can help with bias trade-off |
B. | Cannot help with model selection |
C. | Cannot help with variance trade-off |
D. | All of the mentioned |
Answer» B. Cannot help with model selection | |
8. |
WHICH_OF_THE_FOLLOWING_FUNCTION_CAN_BE_USED_FOR_FORECASTING_??$ |
A. | predict |
B. | forecast |
C. | ets |
D. | all of the Mentioned |
Answer» C. ets | |
9. |
Predictive_analytics_is_same_as_forecasting.$ |
A. | True |
B. | False |
Answer» C. | |
10. |
Which of the following is used to assist the quantitative trader in the development ? |
A. | quantmod |
B. | quantile |
C. | quantity |
D. | mboost |
Answer» B. quantile | |
11. |
Model based prediction considers relatively easy version for covariance matrix. |
A. | True |
B. | False |
Answer» C. | |
12. |
Which of the following function provides unsupervised prediction ? |
A. | cl_forecast |
B. | cl_nowcast |
C. | cl_precast |
D. | none of the Mentioned |
Answer» E. | |
13. |
Which of the following method can be used to combine different classifiers ? |
A. | Model stacking |
B. | Model combining |
C. | Model structuring |
D. | None of the Mentioned |
Answer» B. Model combining | |
14. |
Which of the following methods are present in caret for regularized regression ? |
A. | ridge |
B. | lasso |
C. | relaxo |
D. | all of the Mentioned |
Answer» E. | |
15. |
Which of the following is correct about regularized regression ? |
A. | Can help with bias trade-off |
B. | Cannot help with model selection |
C. | Cannot help with variance trade-off |
D. | All of the Mentioned |
Answer» B. Cannot help with model selection | |