[Solved] When performing regression or classification, which of the following is the correct way to preprocess the data?

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Q.	When performing regression or classification, which of the following is the correct way to preprocess the data?
A.	Normalize the data -> PCA -> training
B.	PCA -> normalize PCA output -> training
C.	Normalize the data -> PCA -> normalize PCA output -> training
D.	None of the above
Answer» A. Normalize the data -> PCA -> training

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