Cohen's kappa

Quantum mechanics

Scale (ratio)

Linguistics

Philosophy

Level of measurement

Actuarial science

Kappa

Statistics

Agreement

Economics

Physics

Psychology

Mathematics

Econometrics

Geometry

Psychological Bulletin

A previously described coefficient of agreement for nominal scales, kappa, treats all disagreements equally. A generalization to weighted kappa (Kw) is presented. The Kw provides for the incorpation of ratio-scaled degrees of disagreement (or agreement) to each of the cells of the k * k table of joi

Weighted kappa: Nominal scale agreement provision for scaled disagreement or partial credit.