Dear all, When I ran a frailty model like,
model <- coxph(Surv(Day, Indicator) ~ trt + frailty(group, distribution="gaussian")) The variance of effect estimate of trt was estimated by conditional model or marginal model? Thanks. Alex [[alternative HTML version deleted]] ______________________________________________ R-help@r-project.org mailing list https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide http://www.R-project.org/posting-guide.html and provide commented, minimal, self-contained, reproducible code.