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Which of the following function can be used to identify near zero-variance variables?

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Which of the following function can be used to identify near zero-variance variables?

(a) zeroVar

(b) nearVar

(c) nearZeroVar

(d) all of the mentioned

The question was asked by my school principal while I was bunking the class.

Question is from caret topic in section Machine Learning of Data Science

1 Answer

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Best answer
The correct option is (c) nearZeroVar

Easiest explanation - The saveMetrics argument can be used to show the details and usually defaults to FALSE.

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