[R] maximal dataset size

[Thomas Lumley]

On Mon, 4 Feb 2002, Cheng, Yiling wrote:

> Hi, there,
>     I am using PC window version R and dealing with big dataset usually. May
> anyone let me whether the maximal dataset size in R is limited by computer
> memory or hard drive capacity?

Primarily by computer memory. R is able to use virtual memory but is very
slow (worse with some Windows versions than others).

You probably don't want to use a dataset that is more than about 1/3 the
size of your computer's physical memory. With modern computers that is
still quite large.

	-thomas

Thomas Lumley			Asst. Professor, Biostatistics
tlumley at u.washington.edu	University of Washington, Seattle

-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-
r-help mailing list -- Read http://www.ci.tuwien.ac.at/~hornik/R/R-FAQ.html
Send "info", "help", or "[un]subscribe"
(in the "body", not the subject !)  To: r-help-request at stat.math.ethz.ch
_._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._