overfitting

The production of a statistical model that, due to an excess of parameters relative to the sample size, fits the sample data extremely well but fails to fit new data.

Noun

  1. The production of a statistical model that, due to an excess of parameters relative to the sample size, fits the sample data extremely well but fails to fit new data.

Forms

overfittings

Verb

  1. present participle and gerund of overfit