Hi Robert; I do appreciate your advice. Only the first column of the data is text. The rest columns are numeric.
Regards, Greg On Mon, Jan 30, 2017 at 9:36 AM, Robert Sherry <rsher...@comcast.net> wrote: > Greg, > > I am assuming that your data is in a text file. R is a good tool but not > the tool I would use for this job. The tool I would > use is grep. The following command should get you want you want: > grep -v "^rs" <data file name> > > Bob > > > On 1/30/2017 9:23 AM, greg holly wrote: > >> Hi all; >> >> I have a file which has about 3.000.000 lines. Most of the lines at first >> column start with "rs", for example, rs10000056, rs10000076 and so on. I >> would like to get the lines which do not start with "rs" . Your helps >> highly appreciated. >> >> Regards, >> >> Greg >> >> [[alternative HTML version deleted]] >> >> ______________________________________________ >> R-help@r-project.org mailing list -- To UNSUBSCRIBE and more, see >> https://stat.ethz.ch/mailman/listinfo/r-help >> PLEASE do read the posting guide http://www.R-project.org/posti >> ng-guide.html >> and provide commented, minimal, self-contained, reproducible code. >> >> > ______________________________________________ > R-help@r-project.org mailing list -- To UNSUBSCRIBE and more, see > https://stat.ethz.ch/mailman/listinfo/r-help > PLEASE do read the posting guide http://www.R-project.org/posti > ng-guide.html > and provide commented, minimal, self-contained, reproducible code. > [[alternative HTML version deleted]] ______________________________________________ R-help@r-project.org mailing list -- To UNSUBSCRIBE and more, see 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.