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Which of the following is correct use of cross validation?

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in Data Science by (121k points)
Which of the following is correct use of cross validation?

(a) Selecting variables to include in a model

(b) Comparing predictors

(c) Selecting parameters in prediction function

(d) All of the mentioned

This question was posed to me in class test.

My doubt stems from Cross Validation in chapter Machine Learning of Data Science

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Correct option is (d) All of the mentioned

Explanation: Cross-validation is also used to pick type of prediction function to be used.

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