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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?
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 Duncan Murdoch
> 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? >