[R] parametric proportional hazard regression

[Hamilton, Cody]

Valentin,

Have you tried survreg() in the Design library?

Regards,
   -Cody

-----Original Message-----
From: r-help-bounces at stat.math.ethz.ch
[mailto:r-help-bounces at stat.math.ethz.ch] On Behalf Of Valentin Dimitrov
Sent: Friday, July 07, 2006 10:1 AM
To: r-help at stat.math.ethz.ch
Subject: [R] parametric proportional hazard regression

Dear all,

I am trying to find a suitable R-function for
parametric proportional hazard regressions. The
package survival contains the coxph() function which
performs a Cox regression which leaves the base hazard
unspecified, i.e. it is a semi-parametric method. The
package Design contains the function pphsm() which is
good for parametric proportional hazard regressions
when the underlying base distribution is "weibull" or
"exponential". But what if I need a parametric
proportional hazard model with the other "usual"
distributions like '"gaussian"', '"logistic"',
'"lognormal"'and '"loglogistic"?

Thanks a lot for your support!

Valentin Dimitrov
Statistics and Econometrics
University of Saarland

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