[R] memory efficiency in R

Thomas Lumley thomas at biostat.washington.edu
Tue Oct 19 17:17:41 CEST 1999


On Tue, 19 Oct 1999, Brahm, David wrote:

> Ben Bolker [mailto:ben at zoo.ufl.edu] wrote:
> 
> > I'm trying to answer a question from a student about memory use in R...
> 
> In S-Plus, memory problems from large for() loops can often be solved with
> the For() function, which essentially writes out a script (one line per
> iteration) and runs it through a background S process.  I don't know if R
> has anything comparable.

R doesn't, I think because under R's memory management system it
would make matters worse, not better (except on a multiprocessor machine).

	-thomas


Thomas Lumley
Assistant Professor, Biostatistics
University of Washington, Seattle

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