Re: [R] how to retrieve robust se in coxph

From: Thomas Lumley <tlumley_at_u.washington.edu>
Date: Fri 17 Feb 2006 - 03:04:02 EST

On Wed, 15 Feb 2006, Lei Liu wrote:

> Hi,
>
> I am using coxph in simulations and I want to store the "robust se" (or
> "se2" in frailty models) for each replicate. Is there a function to retrieve
> it, like vcov() for the variance estimate? Thanks!
>

There isn't a function, so you need to extract the $var2 component of the model object to get the variance matrix.

         -thomas



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