stuart.maxwell.mh {concord} | R Documentation |
calculates the coefficient of concordance for two raters
stuart.maxwell.mh(x)
x |
cxc classification matrix or matrix of classification scores into c categories. |
stuart.maxwell.mh
calculates a reliability coefficient for two raters
classifying n objects into any number of categories. It will accept either
a cxc classification matrix of counts of objects falling into c categories
or a cxn or nxc matrix of classification scores.
statistic |
value of coefficient |
p |
the probability of the coefficient as a Chi-square variable |
Jim Lemon
Stuart A.A. (1955) A test for homogeneity of the marginal distributions in a two-way classification. Biometrika, 42, 412-416.
Maxwell A.E. (1970) Comparing the classification of subjects by two independent judges. British Journal of Psychiatry, 116, 651-655.
# fake a 2xn matrix of three way classification scores ratings<-matrix(sample(1:3,60,TRUE),nrow=2) stuart.maxwell.mh(ratings)