Generalized Cohen's Kappa: A Novel Inter-rater Reliability Metric for Non-mutually Exclusive Categories | SpringerLink
IJERPH | Free Full-Text | Cohen’s Kappa Coefficient as a Measure to Assess Classification Improvement following the Addition of a New Marker to a Regression Model
Equation for Cohen's Kappa
All about data: dig, distill, visualize, prognosticate & prescribe - Inter Rater Reliability Study with Cohen's Kappa and Fleiss' Kappa