need to solve following set of problems from

An Introduction to Statistical Learning with Applications in R, Second Edition

which is available in the below file

 Chapter 4: #5 all parts, #7, #12 (a)-(d), #13 (a)-(f), (i), #14 (a)-(e), #15 all parts

Chapter 5: #1, #5 all parts, #6 all parts, #7 all parts, #8 all parts

For the applied problems, you need to provide R codes as well.