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             produce sparse matrices of real numbers that can be fed into any machine learning model.

Question:

             produce sparse matrices of real numbers that can be fed into any machine learning model.

A.

dictvectorizer

B.

featurehasher

C.

both a & b

D.

none of the mentioned

Answer» c. both a & b

Note: The above multiple-choice question is for all general and Competitive Exams in India