Q:

A correct way to preprocess the data When performing regression or classification is

0

A correct way to preprocess the data When performing regression or classification is


  1. Normalize the data ? PCA ? training
  2. PCA ? normalize PCA output ? training
  3. Normalize the data ? PCA ? normalize PCA output ? training
  4. None

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Answer:

A. Normalize the data ? PCA ? training

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