R-alpha: survival4

Thomas Lumley (thomas@biostat.washington.edu)
Mon, 21 Oct 1996 11:19:29 -0700 (PDT)


Date: Mon, 21 Oct 1996 11:19:29 -0700 (PDT)
From: Thomas Lumley <thomas@biostat.washington.edu>
To: r-testers <r-testers@stat.math.ethz.ch>
Subject: R-alpha: survival4
In-Reply-To: <Pine.SUN.3.91.961018151951.15018B-100000@chekov>


A port of the world's best survival analysis code (Terry Therneau's
survival4 for S) is now available for R.  A small number of features still
do not work because of R bugs and incompatibilities. The important
omissions are the cohort expected survival routines and the ability to use
offset() functions in model formulae.  A new release will appear fairly
soon (I hope) based on the newest version of the S code, which
incorporates a number of improvements. It will probably also be necessary
to have a new release whenever a new R appears. You currently need R 0.12
to run survival4 (you also need to fix the eval() bug). 

I have tested the code and written a Makefile for Linux and SunOS. If you 
have some other system then you're on your own.

The tar file is 782k, so I'm not posting it here. You can get it by Web
from 
http://www.biostat.washington.edu/~thomas/work.html 
I hope it will also appear at some ftp sites.  It is *not* under the GNU
Public License but it may be freely redistributed. 



thomas lumley       Penguin: the name is supposed to come from 
PhD student         the Welsh _pen_gwyn_ meaning "white head". 
Biostatistics       As penguins have black heads and do not live 
U. Washington       within 10000 miles of Wales it is difficult 
Seattle WA 98195    to see how this theory arose.

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