Models with multiple predictors

Lecture 17

Dr. Mine Çetinkaya-Rundel

Duke University
STA 199 - Fall 2022

10/27/22

Warm up

While you wait for class to begin…

Clone your ae-14 project from GitHub, render your document, update your name, and commit and push.

Announcements

• My OH going forward: Zoom option will be available
• Project proposal feedback: Incorporate more variables into your analysis
• Upcoming:

  • HW 4 to be posted soon

  • Lab 4 due tomorrow evening

Goals

• Recap modeling with a single predictor
• Fit and interpret models with multiple predictors
• Distinguish between additive and interaction models

Application exercise

ae-14

• Go to the course GitHub org and find your ae-14 (repo name will be suffixed with your GitHub name).
• Clone the repo in your container, open the Quarto document in the repo, and follow along and complete the exercises.
• Render, commit, and push your edits by the AE deadline – 3 days from today.