On Thu, 8 Sep 2005, Shige Song wrote:
> Dear All,
>
> The "coxph" function in the "survival" package allows multiple frailty
> terms.
Um, no, it doesn't.
> In all the examples I saw, however, the frailty terms are nested.
> What will happen if I have non-nested (that is, cross-classified) frailties
> in the model?
This wouldn't work even if it did allow multiple frailty terms.
You may want the coxme() function in the "kinship" package.
-thomas
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