ckappa: Computes Cohen's Kappa for agreement in the case of 2 raters.
Description
Cohen’s kappa coefficient value is a robust statistical measure of inter-rater agreement published in 1960 by Jacob Cohen. It has been reused by numerous studies in sleep medicine to measure the accuracy of predictions, especially for automatic sleep staging.
Usage
ckappa(observed, predicted)
Arguments
observed
The vector of observed values (truth).
predicted
The vector of predicted values.
References
Cohen J. A Coefficient of Agreement for Nominal Scales. Educational and Psychological Measurement. 1960;20:37-46.