On Thu, Aug 25, 2011 at 4:45 AM, JPF <xpfen...@gmail.com> wrote: > This is for coxph: > > The cluster term is used to compute a robust variance for the model. The > term + cluster(id) where each value of id is unique is equivalent to > specifying the robust=T argument, and produces an approximate jackknife > estimate of the variance. If the id variable were not unique, but instead > identifies clusters of correlated observations, then the variance estimate > is based on a grouped jackknife. > > How could be done using aftreg? and/or phreg?
No, Göran > > -- > View this message in context: > http://r.789695.n4.nabble.com/pooled-hazard-model-with-aftreg-and-time-dependent-variables-tp3758805p3767222.html > Sent from the R help mailing list archive at Nabble.com. > > ______________________________________________ > 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. > -- Göran Broström ______________________________________________ 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.
