Primary definition
an undesirable machine learning behavior that occurs when the machine learning model gives accurate predictions for training data but not for new data
Also known asover-fit · over fit · overfitted · overfitting model · overfit model
— NICCS GlossaryView source
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NICCS
an undesirable machine learning behavior that occurs when the machine learning model gives accurate predictions for training data but not for new data
NICCS Glossary · 2024
Cite this term
Permanent URL · stable across revisions
Election Security Glossary. (2026). Overfitting. In Election Security Glossary. Retrieved September 3, 2026, from https://electionsecurityglossary.com/glossary/overfitting
Sources
1 cited · last checked Aug 10, 2026
01
NICCS Glossary
NICCS Glossary
Single-source
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