Explore topic-wise MCQs in Data Science.

This section includes 7 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