A beginner-friendly introduction to cross-validation

An explanation of three different types of cross-validation with Python examples

Janik and Patrick Tinz
9 min readJun 16, 2023

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A beginner-friendly introduction to cross-validation
Photo by Richard Horvath on Unsplash

Cross-validation (CV) is a statistical test procedure based on resampling. It is an essential tool in modern statistics. Resampling refers to repeatedly taking samples from a training dataset and fitting a model to each sample again. This…

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Janik and Patrick Tinz

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