Answer Choice:

a. 1 and 2

b. 1 and 3

c. 2 and 3

d. 1,2, and 3

Feature selection is the process of selecting a subset of relevant features for use in modeling. Which of the following statements about feature selection are TRUE? 1. Less features means faster model training 2. Less features means better understanding/interpretability of the predictive model 3. Less features means poorer model performance