5/1/2023

Finish Alligator Handout

Introduction to multiple regression - Chapter 9

• Fitting two or more regression lines
  • Example with R - See kids198.R for predicting weight (in pounds) from age (in months)
• Fitting a quadratic regression model
  • As we discussed in class with the Kenyon tuition data, simply add a quadratic term to the right hand side of your model in the lm() command

In class exercises

• Regression applet - Rossman and Chance
• 9.1, 9.3, 9.13

Please read Sections 9.2 and 9.3 for class on Wednesday.