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
✅ Correct Answer: (A)
Normalize the data -> PCA -> training