AI Glossary

Class imbalance

Also called imbalanced classes

What does “Class imbalance” mean?

Class imbalance: A dataset property where some labels occur much more often than others.

Class imbalance visual guide: A dataset property where some labels occur much more often than others.
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What is an example of “Class imbalance”?

A fraud dataset contains far more legitimate transactions than fraud cases.

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See also

DatasetTermTraining dataTermData labelingTermData augmentationTermOversamplingTerm

Same topic

UndersamplingTermClusteringTermCheckpointTermComputeTermCatastrophic forgettingTerm