Definition, Meaning & Synonyms

oversample

verb

/ˈoʊ.vərˌsæm.pəl/

Definition

To collect more samples than necessary from a particular group or population, often to ensure that specific subgroups are adequately represented.

Examples

Researchers decided to oversample the minority groups to ensure that their data accurately reflected the population.
By oversampling certain demographics, they were able to enhance the reliability of their survey results.
It is common in clinical trials to oversample patients with rare diseases.

Meaning

Oversampling is a technique used in statistics and data science where additional data points are gathered from underrepresented groups within a dataset to improve the analysis and the model’s training.