I think Zelig uses model="cox.ph" (
https://github.com/zeligdev/ZeligMisc/blob/master/tests/coxph.R)

   -thomas

On Wed, Mar 6, 2013 at 2:54 AM, Stephen Knight <stephenknight@doctors.org.uk
> wrote:

> Hi,
>
> I'm having problems with the Zelig package - when using the below R
> displays the follwing message (I'm running R i386 2.15.3 for Windows and
> have updated all the Zelig packages):
>
> z.out<-zelig(Surv(psurv2, pcens2) ~ ren_sup3 + age,
>                 data=data_urgent, model="coxph")
>
> ** The model "coxph" is not available with the currently loaded packages,
> ** and is not an official Zelig package.
> ** The model's name may be a typo.
>
> Any suggestions?
>
> Regards,
> Steve Knight
>
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-- 
Thomas Lumley
Professor of Biostatistics
University of Auckland

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