9/20/2017

Discussion of Kids198.R and multiple regression model for fitting two regression lines

See Chpt3, Sec3.4.ppt and Chpt3, Sec3.6.ppt

• Nested F-test (Return to Kids198.R)
  • Sequential Sums of Squares
• Polynomial Regression
  • Quadratic
• Second Order Models

R LAB

• Fit a two predictor model for the fish weights. Don't forget to include the interaction term.
• Exercises 3.23, and 3.25 on pages 157 and 158.

Please complete your reading of Chapter 3 for class on Friday.