On Thu, 21 Jul 2005 ghwei@(protected):

> Hi,
>
> I have a question about the output for variance of random effect from a gamma
> frailty model using coxph in R. Is it the vairance of frailties themselves or
> variance of log frailties? Thanks.
>

For a Gamma frailty model it is the variance of the Gamma distribution, so
the variance of the frailties. For Gaussian frailty it will be the log
frailties, though.


 -thomas

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