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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Inter-rater agreement Kappas. a.k.a. inter-rater reliability or… | by Amir Ziai | Towards Data Science
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Measuring inter-rater reliability for nominal data - which coefficients and confidence intervals are appropriate?
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