The Equivalence of Weighted Kappa and the Intraclass Correlation Coefficient as Measures of Reliability - Joseph L. Fleiss, Jacob Cohen, 1973
Fleiss' multirater kappa (1971), which is a chance-adjusted index of agreement for multirater categorization of nominal variab
ENH/FAQ: Fleiss Kappa giving nan results, randolph's kappa · Issue #4387 · statsmodels/statsmodels · GitHub
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