Preliminary Information

In previous regression-modeling exercises, we assumed that the effects of the different predictor variables were independent. Here, we practice developing linear regression models that account for interactions, where the effect of one variable depends on the value of another.

Homework Exercises:

Self-study: Work these exercises, but do not turn them in.

• Exercises 8E1–8E3

Turn in: Work these exercises and turn them in.

• Exercises 8M1, 8M4

Optional: The following exercises are optional. You can turn them in for extra credit.

• Exercises 8H1–8H2

Notes on Homework:

“You can download a PDF copy of the exercises from chapters 8 and 9 of Statistical Rethinking from https://ees5891.jgilligan.org/files/homework_docs/McElreath-Ch-8-9-homework.pdf