On 14 February 2011 at 17:40, Hang PHAN wrote: | Hi, | I have a very large data file(GB) from which I only want to extract one | column to draw histogram. This would be done several times, so I would like | to ask if there is anyway to plot this using R from the linux command line, | something look like this | | cut -f1 xxx.txt |RplotHist ....
Have a look at littler which was written with these uses in mind: http://dirk.eddelbuettel.com/code/littler.html It includes a few examples which should get you going. Also, in non-interactive mode, your plot device will have to a file. Hope this helps, Dirk -- Dirk Eddelbuettel | e...@debian.org | http://dirk.eddelbuettel.com ______________________________________________ R-devel@r-project.org mailing list https://stat.ethz.ch/mailman/listinfo/r-devel