[R] pooled hazard model with aftreg and time-dependent variables

[Göran Broström]

On Thu, Aug 25, 2011 at 4:45 AM, JPF <xpfenech at 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

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-- 
Göran Broström