[R] R and file size
ripley at stats.ox.ac.uk
Tue Jan 7 11:53:05 CET 2003
On Mon, 6 Jan 2003, Greg Blevins wrote:
> I will be involved with an analysis based on a file that will be roughly 25 meg. Assuming I have enough memory, is their any limitations to using R on a file this large.
That's a small file!
Seriously, people work on datasets of 100Mb or so in 1Gb (or even 512Mb)
machines. However, some care is needed to select a good way to read the
data in (if read.table, do follow the advice on the help page), and it
would probably be better to use a database interface (see the Data
Brian D. Ripley, ripley at stats.ox.ac.uk
Professor of Applied Statistics, http://www.stats.ox.ac.uk/~ripley/
University of Oxford, Tel: +44 1865 272861 (self)
1 South Parks Road, +44 1865 272866 (PA)
Oxford OX1 3TG, UK Fax: +44 1865 272595
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