Cross-Validation

Cross-Validation

Robustly estimating generalization error and tuning hyperparameters without leaking test data.

Overview

Add a short personal take on this subject — why it matters to you, where you use it.

Key Concepts

  • k-fold CV
  • Stratified CV
  • Bootstrap
  • Train/val/test split
  • Hyperparameter tuning

Skills

Learned

Skills I'm confident with. Tag with #learned.

Learning

Skills I'm actively working on. Tag with #learning.

To Learn

Skills on the roadmap. Tag with #to-learn.

Projects

Projects that use this subject. These will also show up as backlinks when project notes link here with [[Cross-Validation]].

Resources

Books, courses, papers, videos.

Notes

Free-form notes, gotchas, insights.