AI Glossary

Stratified sampling

What does “Stratified sampling” mean?

Stratified sampling: Sampling within groups to preserve or control their proportions.

Stratified sampling visual guide: Sampling within groups to preserve or control their proportions.
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What is an example of “Stratified sampling”?

A test split keeps the original share of fraud cases.

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See also

EvalsTermBenchmarkTermValidation and test setsTermCross-validationTermData leakageTerm

Same topic

Distribution shiftTermSWE-benchTermSpecificityTermSycophancyTermSafety classifierTerm