70 Welcome to Overfitting and Cross-Validation

This module is designed to introduce you to cross-validation and overfitting. Please watch the videos and work your way through the notes. The videos start on the next page. You can find the video playlist for this module here. Most of the slides used to make the videos in this module can be found in the slides repo.

70.1 Module Materials

• Videos and Slides from Lectures
  • Overfitting
  • Cross-validation
• Suggested Readings
  • All subchapters of this module
  • Articles
    • de Rooij, M., & Weeda, W. (2020). Cross-validation: A method every psychologist should know. Advances in Methods and Practices in Psychological Science, 3(2), 248-263.
    • MacCallum, R. C., Zhang, S., Preacher, K. J., & Rucker, D. D. (2002). On the practice of dichotomization of quantitative variables. Psychological Methods, 7, 19-40.
  • R4DS
    • Many Models