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Cohen's Kappa for 2 raters Using Data : Data is a table of 2 columns
Cohen's Kappa for 2 Raters Using a Table of Counts is a symmetrical table
Fleiss's Kappa for 3 or More Raters or Tests Using Data as Collected : is a table of variable columns
Fleiss's Kappa for 3 or More Raters or Tests Using a Table of Counts is a table of variable columns
Cohen J. A coefficient of agreement for nominal scales. Educational and Psychological Measurement. 20:37-46, 1960. Cohen J. Weighted kappa: nominal scale agreement with provision for scale and disagreement or partial credit. Psychol. Bull. 70:213-20. 1968. Fleiss, Joseph L.; Cohen, Jacob; Everitt, B. S. (1969) Large sample standard errors of kappa and weighted kappa. Psychological Bulletin, Vol 72(5): p 323-327 Fleiss JL Statistical methods for rates and proportions second edition. Wiley Series in probability and mathematical statistics. Chapter 13 p. 212-236 Landis JR, Koch GG. The measurement of observer agreement for categorical data. Biometrics. 1977; 33: 159-74. wikipedia.org/wiki/Cohen's_kappa University of York Department of Health Sciences Measurement in Health and Disease Cohen's Kappa a teaching paper with easy to understand and full formulation for Cohen's Kappa, weighted and unweighted, and Standard Error calculations. |