GitHub - Christian-TechUCM/Fleiss-Kappa: Python script that calculates Fleiss Kappa, a statistical measure of inter-rater agreement, on data from an Excel file.
Fleiss Kappa • Simply explained - DATAtab
Performance Measures: Cohen's Kappa statistic - The Data Scientist
Cohen's kappa free calculator – IDoStatistics
How to Calculate Fleiss' Kappa in Excel - Statology