Hello, I have 50 raters and 180 cases which are rated as malignant, probably
malignant, probably benign, and benign. I want to compare all the raters but
I want a weighted kappa to penalize differences between malignant and benign
more than differences between malignant and probably malignant. I only found
the weighted option in the 2-rater functions (kappa2, wkappa, cohen.kappa).
The functions I found for multiple raters do not include a weighted option for
categorical data (kappam.fleiss, kappam.light, lkappa). Anyone know a
function that allows the calculation of weighted kappa for m raters? Thanks
in advance! ~Marwa
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