[R] Projecting Survival Curve into the Future

[Robert A LaBudde]

You might consider a probit analysis using ln(Time) as the "dose".

At 09:24 AM 9/4/2008, Richard.Cotton at hsl.gov.uk wrote:
> > I have a survivor curve that shows account cancellations during the
> > past 3.5 months. Â Fortunately for our business, but unfortunately
> > for my analysis, the survivor curve doesn't yet pass through 50%.
> > Â Is there a safe way to extend the survivor curve and estimate at
> > what time we'll hit 50%?
>
>Without any example code it's hard to say, but take a look at
>?predict.coxph and ?predict.survreg in the survival package.
>
>Regards,
>Richie.
>
>Mathematical Sciences Unit
>HSL

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Robert A. LaBudde, PhD, PAS, Dpl. ACAFS  e-mail: ral at lcfltd.com
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