2/18/2026

Techniques for choosing predictors

• Predictor selection methods
• Possible Criteria
  • All Subsets
  • Mallow's Cp
  • Backward elimination
  • Forward selection
  • Stepwise

See GoogleDrive\Stat206-DataAnalysis-F2025\2ePowerPoint\Sec4.2R

R Deomonstration

• See GoogleDrive\Stat206-DataAnalysis-F2025\2eMarkkdown\Sec4.2.Rmd

Handouts - Class Activities

• All Subsets Regression
• Permutation Test for Correlation

Take home Quiz #2 (handout on added variable plot) is due today.

Please complete your reading of Chapter 4 for class on Friday, February 20.