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MOMENTS OF THE STATISTICS KAPPA AND WEIGHTED KAPPA
Author(s) -
Everitt B. S.
Publication year - 1968
Publication title -
british journal of mathematical and statistical psychology
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 3.157
H-Index - 51
eISSN - 2044-8317
pISSN - 0007-1102
DOI - 10.1111/j.2044-8317.1968.tb00400.x
Subject(s) - kappa , statistics , cohen's kappa , mathematics , variance (accounting) , sample (material) , econometrics , chemistry , economics , chromatography , geometry , accounting
This paper considers the mean and variance of the two statistics, kappa and weighted kappa, which are useful in measuring agreement between two raters, in the situation where they independently allocate a sample of subjects to a prearranged set of categories.