Hi, Have you looked at "R Data Import/Export"?
On Mon, 25 Aug 2003, Murray Jorgensen wrote: > Date: Mon, 25 Aug 2003 16:04:17 +1200 > From: Murray Jorgensen <[EMAIL PROTECTED]> > Reply-To: [EMAIL PROTECTED] > To: R-help <[EMAIL PROTECTED]> > Subject: [R] R tools for large files > > I'm wondering if anyone has written some functions or code for handling > very large files in R. I am working with a data file that is 41 > variables times who knows how many observations making up 27MB altogether. > > The sort of thing that I am thinking of having R do is > > - count the number of lines in a file > > - form a data frame by selecting all cases whose line numbers are in a > supplied vector (which could be used to extract random subfiles of > particular sizes) > > Does anyone know of a package that might be useful for this? > > Murray > > -- Cheers, Kevin ------------------------------------------------------------------------------ "On two occasions, I have been asked [by members of Parliament], 'Pray, Mr. Babbage, if you put into the machine wrong figures, will the right answers come out?' I am not able to rightly apprehend the kind of confusion of ideas that could provoke such a question." -- Charles Babbage (1791-1871) ---- From Computer Stupidities: http://rinkworks.com/stupid/ -- Ko-Kang Kevin Wang Master of Science (MSc) Student SLC Tutor and Lab Demonstrator Department of Statistics University of Auckland New Zealand Homepage: http://www.stat.auckland.ac.nz/~kwan022 Ph: 373-7599 x88475 (City) x88480 (Tamaki) ______________________________________________ [EMAIL PROTECTED] mailing list https://www.stat.math.ethz.ch/mailman/listinfo/r-help
