search for: real_rand

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2013 Apr 16
0
Model ranking (AICc, BIC, QIC) with coxme regression
Hi, I'm actually trying to rank a set of candidate models with an information criterion (AICc, QIC, BIC). The problem I have is that I use mixed-effect cox regression only available with the package {coxme} (see the example below). #Model1 >spring.cox <- coxme (Surv(start, stop, Real_rand) ~ strata(Paired)+R4+R3+R2+(R3|Individual), spring) I've already found some explications in this forum to adjust QIC on coxph object (see the following lines, thanks to M. Basille), but it doesn't work on coxme... >QIC <- function(mod, ...) >    UseMethod("QIC") > &...