[R] Subset by string name?

subset a dataset like this to extract trees from only one or a few families? Thanks a lot! Ophelia -- Yung-Ho (Ophelia) Wang Doctoral Candidate Department of Geography and the Environment University of Texas +1-512-232-1597 [EMAIL PROTECTED] __ R-help@r

Re: [R] Subset by family name?

Sorry to bother everyone---I realized I should have used == instead of = in the subset syntax! Quoting Ophelia Wang [EMAIL PROTECTED]: Hi all, I thought this should be very simple, but I'm not sure where the problem is. I have a .txt data file that contains X and Y coordinates of trees