18:13
2026-08-13
kenkoonwong.com
machine-learning
Cross-Validation From Scratch and a Surprise at n=100
Ken Koon Wong, in a blog post published August 5, 2026, coded K-Fold cross-validation from scratch in R and found that at n=1000, leave-one-out cross-validation (LOOCV) has lower bias but higher varia…