The quasi-constant features test allows you to specify if a certain feature is expected to be near-constant (low variance) or not.


  • Category: Integrity.
  • Task types: Tabular classification, tabular regression.
  • Availability: and .

Why it matters

  • Quasi-constant features have very low variance and tend to not be as useful for models.
  • If a feature shouldn’t be quasi-constant but is, you might want to re-normalize it.