## Conceptual

### ISLR Section 5.4

- 2 (a-f), and calculate \(e^{-1}\) to a few decimal places for comparison
- 3

## Optional

The remaining exercises are option and will not be graded.

### Mathematics practice

Can resampling methods be useful for addressing OOD generalization? If not, then why? If so, then how?

Write out the objective function of the lasso for the case of linear regression with one predictor variable. Use calculus to find an expression for the solution (hint: you may need to consider cases)

### Applied practice

ISLR Section 5.4, problem 8

ISLR Section 6.6, problem 9 (a-d)

ISLR Section 7.9, problem 9 (a-c)