Re: st: creating survival dataset

[Michael McCulloch <mm@pinest.org>]

Thank you Scott!

> On Fri, May 30, 2008 at 4:42 PM, Michael McCulloch <mm@pinest.org> wrote:
> >  Hello,
> >  I'm creating survival data, and puzzled by two observations here, which
> >  probably reflect my elementary knowledge of the subject. Perhaps someone can
> >  offer some helpful advice.
> >
> >  2. Why the confounder variable "w" is dropped due to collinearity?
> Because w only takes two values depending on the value of "a"
>
> . disp (1/(1+exp(-(-1.74))))
> .14931293
>
> . disp (1/(1+exp(-(-1.74+1))))
> .32300414
>
> Scott
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