This function calculates Fleiss' Kappa.
fleiss_kappa(rater_one, rater_two, additional_raters = NULL)
Retuns the value for Fleiss' Kappa.
factor
rating of the first coder.
factor
ratings of the second coder.
list
Additional raters with same requirements as rater_one
and rater_two
. If
there are no additional raters set to NULL
.
Fleiss, J. L. (1971). Measuring nominal scale agreement among many raters. Psychological Bulletin, 76(5), 378–382. doi:10.1037/h0031619
Other performance measures:
cohens_kappa()
,
kendalls_w()
,
kripp_alpha()