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Calculate Cohen's Kappa

Source: R/performance_measures.R
cohens_kappa.Rd

This function calculates different version of Cohen's Kappa.

Usage

cohens_kappa(rater_one, rater_two)

Arguments

rater_one

factor rating of the first coder.

rater_two

factor ratings of the second coder.

Value

Returns a list containing the results for Cohen' Kappa if no weights are applied (kappa_unweighted), if weights are applied and the weights increase linear (kappa_linear), and if weights are applied and the weights increase quadratic (kappa_squared).

References

Cohen, J (1968). Weighted kappa: Nominal scale agreement with provision for scaled disagreement or partial credit. Psychological Bulletin, 70(4), 213–220. doi:10.1037/h0026256

Cohen, J (1960). A Coefficient of Agreement for Nominal Scales. Educational and Psychological Measurement, 20(1), 37–46. doi:10.1177/001316446002000104

See also

Other performance measures: calc_standard_classification_measures(), fleiss_kappa(), get_coder_metrics(), gwet_ac(), kendalls_w(), kripp_alpha()