[R] parametric proportional hazard regression

Gabor Grothendieck ggrothendieck at gmail.com
Sat Jul 8 14:50:44 CEST 2006

There is some generalized F code (which would
include many other parameteric survival models as
submodels) at this page.  The R package seems
somewhat non-standard in terms of installation
and I have not tried it:

On 7/8/06, Valentin Dimitrov <vsdimitrov at yahoo.com> wrote:
> I am new to the field of survival analysis and my
> first  text read on that topic is Franses/Paap,
> Quantitative Models in Marketing Research, Chapter 8.
> There the kind of models I describe are the standard
> proportional hazard models. But also in Internet I
> find texts which say something about parametric PH
> models, where the baseline hazard can take some
> specific form! See for instance:
> http://www.weibull.com/AccelTestWeb/proportional_hazards_model.htm
> The second part reads "parametric PH models" and there
> is an example with the Weibull baseline distribution.
> The log-likelihood is derived, too. The same could be
> done with the other distributions I mentioned
> (lognormal, loglogistic, exponential).
> Anyway, if you say these models are untraditional,
> then maybe there is also no R-function for them...
> In that case I'll write a R-code myself to fit them
> using ML.
> Kind regards,
> Valentin
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