This week we’ll get some more practice using multiple regression by completing the gas prices case study and another case study about the effect of promotional displays on sales.

Final project information

Overview of the final project: Project overview

Details about the final project (what to submit, how to write your reports, etc): Project details

Examples of good project ideas from prior years: Project examples

In-class activities, case studies, exercises, etc for this week

We will work on these in breakout rooms. I suggest having one person share their screen and serve as note-taker, or quickly sharing a Google doc so you can work together. The activities will be a component of your next homework.

Activity 1: Gas prices in Austin (continued)

Activity 2: Evaluating the effect of a promotional display

Materials used in class this week

Bootstrapping quantities determined by interaction terms

Readings, videos, and activities to do for next week

For Monday: Review how to fit and interpret exponential and power law models (see the Week 6 and Week 7 posts for relevant materials)

For Wednesday: Read Building predictive models up to (and including) page 176.

Exercises and other things due next week

For next Monday, Apr 26 complete up to part 3 of Activity 2 above (you will not hand it in yet, but we’ll start at part 4 on Monday)

For next Wednesday, Apr 28 hand in:

• Part 2 of the Beauty in the Classroom case study
• Activity 1 above (gas prices case study)