search for: myge

...degree freedom contrast but couldn't get any result. It must be so obvious but I just couldn't get it. Any hint would be greatly appreciated. Here is a sample code: set.seed(123) mydf <- data.frame(trm=rep(letters[1:3],each=9),animal=rep(1:9,each=3),res=sample(c(rep(0,12),rep(1,15)))) mygee <- gee(res~trm,id=animal,data=mydf,family=binomial,corstr='unstructured', contrasts=list(trm=matrix(c(1,0,-1,1,-1,0),nrow=3))) I couldn't find the result of contrasts except this: > mygee$contrasts $trm [,1] [,2] a 1 1 b 0 -1 c -1 0 where can I extract the...