Question: Q 2 2 What does the term feature extraction refer to in feature engineering? Oa . Converting categorical variables into numerical ones b . Creating

Q22 What does the term "feature extraction" refer to in feature engineering?
Oa. Converting categorical variables into numerical ones
b. Creating new features by transforming existing ones
Oc Reducing the dimensionality of the dataset
Od. Selecting the most relevant features for modeling

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