Question

Consider forward selection, backward selection and best subset selection with respect to the same data set. Which of the following is true?

 Best subset selection can be computationally more expensive than forward selection

 

 forward selection and backward selection always lead to the same result

 

best subset selection can be computationally less expensive than backward selection

 

best subset selection and forward selection are computationally equally expensive

 

both (b) and (d)

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Answer 1

Answer:

both b and d are correct option