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Estimators

alpha()
Coefficient alpha with missing data
kappa()
Weighted agreement coefficients with missing data
kappa_counts()
Weighted agreement coefficients for counts-format input
ratings_to_counts()
Convert rater-identified ratings to counts format

Hypothesis tests

kappa_test()
Test equality of a kappa agreement coefficient across fits
alpha_test()
Test equality of coefficient alpha across fits

Inference

confint(<misskappa_estimate>)
Confidence intervals for misskappa coefficients
influence(<misskappa_estimate>)
Per-subject influence functions for misskappa estimates

Simulation helpers

sim
Simulation helpers for missing-data agreement studies

Datasets

dat.fleiss1971
Fleiss (1971) psychiatric diagnoses dataset
dat.gwet2014
Gwet (2014) example ratings with missing data
dat.holzinger1939
Holzinger & Swineford (1939) mental-ability battery
dat.klein2018
Klein (2018) example ratings with missing data
dat.mcduff2019
McDuff & Girard (2019) smiling-images agreement study
dat.vanbelle2019
Vanbelle (2019) crackles lung-sound agreement study (vector-valued ratings)
dat.zapf2016
Zapf (2016) example ratings