Dear List,
I would like to calculate the Goodman-Kruskal gamma for the predicted
classes obtained from an ordinal regression model using lrm in the Design
package. I couldn't find a way to get gamma for predicted values in Design
so have found previous positings suggesting to use :
Rcorr.cens(x, S outx = TRUE) in the Hmisc package
My question is, will this work for predicted vs observed factors? I.e. x =
predicted class and S = observed class? Or is there a better way to obtain
this? I used the maximum individual probability for each observation to
determine the predicted class.
Any help appreciated,
Thanks
Colin
Colin Robertson
Dept of Geography
University of Victoria
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