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Point out the wrong statement.

(a) Common variables are used to create missingness vector

(b) Common variables are used to cutting up quantitative variables

(c) Common variables are not used to apply transforms

(d) All of the mentioned

I had been asked this question during an interview.

My query is from Summarizing and Merging Data topic in section Getting Data of Data Science

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Correct choice is (c) Common variables are not used to apply transforms

The explanation is: Common variables are not used to apply transforms.

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