On Sun, Feb 26, 2012 at 05:06:42PM +0100, gianni lavaredo wrote: > thanks Hans. > > It's true your idea improve the speed in the analysis respect a row-by-row > loop. > > Sorry if I ask these questions to better understand and better performening > my code: > > 1) split command in GNU coreutils, $ split -l 1000000 testmem.csv > i never use this command. Is it possibile to coding in R or it's an > external command?
external. split is - as I wrote - part of GNU coreutils. > do you have some links where i can study this command. Thanks http://www.gnu.org/software/coreutils/ > 2) is it possible to work with txt file? "txt file" is not a well defined concept, such a file could very well be a csv file, see http://en.wikipedia.org/wiki/Comma-separated_values ?read.csv ______________________________________________ [email protected] mailing list https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide http://www.R-project.org/posting-guide.html and provide commented, minimal, self-contained, reproducible code.
