Fleiss' kappa in SPSS Statistics | Laerd Statistics
Inter-rater agreement (kappa)
Fleiss' Kappa | Real Statistics Using Excel
AgreeStat/360: computing weighted agreement coefficients (Fleiss' kappa, Gwet's AC1/AC2, Krippendorff's alpha, and more) with ratings in the form of a distribution of raters by subject and category
Symmetry | Free Full-Text | An Empirical Comparative Assessment of Inter-Rater Agreement of Binary Outcomes and Multiple Raters
Cohen's kappa - Wikipedia
P= Lf.(-).
Fleiss' kappa in SPSS Statistics | Laerd Statistics
Interrater reliability (Kappa) using SPSS
Weighted Cohen's Kappa | Real Statistics Using Excel