What are the assumptions of Logistic Regression?

Updated May 17, 2026

Short answer

Logistic Regression assumes linearity in log-odds, independent observations, and low multicollinearity.

Deep explanation

The model assumes predictors relate linearly to log-odds. Features should not be highly correlated. Observations must be independent for reliable estimates.

Real-world example

Credit scoring models validate multicollinearity before deployment.

Common mistakes

  • Ignoring correlated features.

Follow-up questions

  • Does Logistic Regression require normality?
  • What if assumptions fail?

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