search for: cen1new

Displaying 1 result from an estimated 1 matches for "cen1new".

2007 Dec 05
4
coxme frailty model standard errors?
Hello, I am running R 2.6.1 on windows xp I am trying to fit a cox proportional hazard model with a shared Gaussian frailty term using coxme My model is specified as: nofit1<-coxme(Surv(Age,cen1new)~ Sex+bo2+bo3,random=~1|isl,data=mydat) With x1-x3 being dummy variables, and isl being the community level variable with 4 levels. Does anyone know if there is a way to get the standard error for the random effect, like in nofit1$var? I would like to know if my random effect is worth writing ho...