ISLP Ch 06 Quiz

ISLP Ch 06 Quiz

15 Qs

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ISLP Ch 06 Quiz

ISLP Ch 06 Quiz

Assessment

Quiz

others

Medium

Created by

Rusho Rocks

Used 1+ times

FREE Resource

15 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 2 pts

Suppose we have 5 predictors in a model. According to best subset selection method how many models we have to consider?
64
32
16
None of the above

2.

MULTIPLE CHOICE QUESTION

30 sec • 2 pts

Suppose we have 5 predictors in a model. According to forward stepwise selection method how many models we have to consider?
64
32
16
None of the above

3.

MULTIPLE CHOICE QUESTION

30 sec • 2 pts

Suppose we have 5 predictors in the model and let's assume M2 is the best model when k=2 in best subset selection method. From how many models M2 was selected as the best?
10
20
30
None of the above

4.

MULTIPLE SELECT QUESTION

30 sec • 2 pts

Suppose we have 5 predictors in the model. Let's assume M2 is the best model among all the models with two predictors i.e. when k=2 in best subset selection method. M2 was selected as the best model based on which measure?
Smallest RSS
R^2
Adjusted R^2
AIC
BIC

5.

MULTIPLE SELECT QUESTION

30 sec • 2 pts

Suppose we have 5 predictors in the model. Let's assume M3 is the best model among all the models with all predictors in best subset selection method. Which of the following measure(s) was NOT used to select M3 as the best model
Smallest RSS
R^2
Adjusted R^2
AIC
BIC

6.

MULTIPLE CHOICE QUESTION

30 sec • 2 pts

Suppose we have 4 predictors (x1,x2,x3 and x4) in a model and we are considering forward stepwise selection method. When k=2, we found that the model with x2 and x3 performs the best. From how many models this best model was chosen?
3
4
10
20
None of the above

7.

MULTIPLE CHOICE QUESTION

30 sec • 2 pts

Suppose we have 4 predictors (x1,x2,x3 and x4) in a model and we are considering backward stepwise selection method. When k=3, we found that the model with x1 , x3 and x4 performs the best. From how many models this best model was chosen?
3
4
10
20
None of the above

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