On Fri, Dec 4, 2009 at 11:54 AM, Duncan Murdoch <murd...@stats.uwo.ca> wrote: > On 04/12/2009 12:52 PM, Peng Yu wrote: >> >> The external grep program has an option -v to select non-matching >> lines. I'm wondering if how to exclude certain patterns in grep() in >> R? >> > > ?grep
I don't see which argument to use. ______________________________________________ R-help@r-project.org 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.
