[6250] in s-news-athena
Additive Cox
daemon@ATHENA.MIT.EDU (Trevor Hastie)
Tue Jan 24 14:25:55 1995
Date: Tue, 24 Jan 1995 10:27:45 -0800
From: trevor@mallet.Stanford.EDU (Trevor Hastie)
To: meier@ifspm.unizh.ch
Cc: S-news@stat.wisc.edu
> a colleague is looking for an implementation of additive Cox
> models. Is there anything available in Splus?
>
> Thank you for your help
>
> Matthias
>
> ===========================================================
> meier@ifspm.unizh.ch | Matthias Meier
> ph: +41 1 257 66 48 | University of Zurich
> fax: +41 1 252 54 52 | Biostatistics, Sumatrastrasse30,
> | CH-8006 Zurich, SWITZERLAND
> ===========================================================
Have a look at survival4, the software by Terry Therneau
for fitting the PH and other survival models.
Although it does not permit gam() like smoothers, one
can use B-splines via bs() and ns() in the formula language.
In addition, there is hare and heft by Charles Kooperberg that
fits similar nonparametric models via regression splines.
Trevor Hastie trevor@playfair.stanford.edu
Phone: 415-725-2231 Fax: 415-725-8977
Statistics Department, Sequoia Hall, Stanford University, Ca94305
