Standard Cross-Validation

Which (non time-series) cross‑validation methods are commonly used?

Answer

$\(k\)$ -fold cross‑validation
Leave‑one‑out cross‑validation (LOOCV)

We will demonstrate how $\(k\)$ -fold cross-validation works with a photo:

K-fold cross-validation split diagram — $\(k\)$ -fold cross-validation

$\(k\)$ is usually 5 or 10.