What is model calibration?

Updated May 17, 2026

Short answer

Calibration ensures predicted probabilities reflect true likelihoods.

Deep explanation

A well-calibrated model's predicted probabilities match observed frequencies.

Real-world example

Risk scoring systems in finance.

Common mistakes

  • Assuming accuracy implies calibration.

Follow-up questions

  • How to check calibration?
  • What methods exist?

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