Session 3: Correlation and Regression Modeling

• Correlation
  • Notes on correlation
  • Tilting at shadows
• Regression modeling
  • Variable selection
    • Notes
  • Structural variations
    • Notes
    • Per-unit manufacturing costs: A nonlinear example (spreadsheet)
  • Applications
    • Notes
    • [NBER Digest (May 2005)]
• Exercises
  • Exercises on modeling
  • Answers to modeling exercises
  • Soccer attendance with answers (spreadsheet)
  • Evanston Wadgets, Inc. with answers (spreadsheet)
  • Banner advertising with answers (spreadsheet)
  • Boston housing data