We continue with regression, looking at adding complexity with additional predictors, interactions, and polynomials.

Tuesday

  • Extending the linear model I (r code)
    • Adding variables
    • Polynomials
    • Interactions
    • Assessing fit
  • Reading: p. 69 - 74, 79 - 96
  • No problem set this week

Thursday

  • Extending the linear model II
    • Diagnostics (r code)
    • Outliers
    • Transformations (r code)
    • Multicollinearity
  • Lab 3: Regression Prediction Competition
  • Reading: p. 96 - 104