Glossary

Generalization — Glossary

A model’s ability to perform well on new data from the same distribution as training.

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Full definition

Generalization is the goal that overfitting undermines. Distribution shift further challenges deployed systems even when validation scores looked strong.

Related encyclopedia topic

Overfitting — Overfitting happens when a model memorizes training data quirks and fails to generalize to new data, producing optimistic offline scores and disappointing…

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