R Coding Help for ISL Exercises

I'm looking for assistance with writing R code for specific exercises from Chapter 13: Multiple Testing of "Introduction to Statistical Learning" (2nd edition) by James, Witten, Hastie, and Tibshirani.

Exercises needed:
- Exercise 1
- Exercise 2
- Exercise 5
- Exercise 7
- Exercise 8

Requirements:
- Write R code for the specified exercises
- Include annotated comments for better understanding

Ideal Skills and Experience:
- Proficient in R programming
- Familiarity with statistical concepts and multiple testing
- Experience with "Introduction to Statistical Learning" exercises