[R] parametric proportional hazard regression

Frank E Harrell Jr f.harrell at vanderbilt.edu
Sat Jul 8 04:22:36 CEST 2006

Valentin Dimitrov wrote:
> Cody,
> I have tried the survreg() in the Design library, it
> is analogous to survreg() in the survival library and
> it seems to me it is designed only for accelerated
> time models like the accelerated failure model (or
> accelerated lifetime model) and not for proportional
> hazard models. Correct me if I am wrong.
> Valentin

survreg does not exist in the Design package.  You may be thinking of 
psm which is a wrapper function for survreg.

> --- "Hamilton, Cody" <CodyH at BaylorHealth.edu> wrote:
>> Valentin,
>> Have you tried survreg() in the Design library?
>> Regards,
>>    -Cody
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Frank E Harrell Jr   Professor and Chair           School of Medicine
                      Department of Biostatistics   Vanderbilt University

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