[R] speeding up 1000s of coxph regression?

[A.J. Rossini]

Thomas Lumley <tlumley at u.washington.edu> writes:


> If you are going to be doing a lot of this sort of thing it might be worth
> looking at the parallel processing facilities in the `snow' package.
> There's a description of their use in another gene expression problem in
> the new R Newsletter.

Actually, they used the RPVM package directly; however, Thomas is
still correct, it probably would be simple to recast using SNOW.

Some hints and details can be found in a tech report by Luke Tierney,
Michael Li, and myself in the UW Biostat tech report series (can't
recall which #, but it's on http://www.bepress.com/uwbiostat/).

best,
-tony

-- 
A.J. Rossini  /  rossini at u.washington.edu  /  rossini at scharp.org
Biomedical/Health Informatics and Biostatistics, University of Washington.
Biostatistics, HVTN/SCHARP, Fred Hutchinson Cancer Research Center.
FHCRC: 206-667-7025 (fax=4812)|Voicemail is pretty sketchy/use Email 

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