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A practical dictionary of 512 AI, machine learning, mathematics, and programming terms from HerbDev’s AI Vocabulary app. Start with a definition, explore an example, then follow the concepts behind it.

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Stratified Sampling

Data & Datasets · Level 2 of 5

Stratified Sampling

Sampling within defined groups to control their representation.

Strata and sampling weights should match the analysis goal.

Example

A split preserves approximately the same class proportions in each subset.

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Audio transcript

Stratified Sampling. Sampling within defined groups to control their representation. Strata and sampling weights should match the analysis goal. For example: A split preserves approximately the same class proportions in each subset.

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