I have a global matrix (e.g. table below) of species feeding. I am trying to create specific matrix for specific sites. If for example a subset is to have sp1, sp3 and spp only these 3 species should be appearing in the subset (both column and rows).
I have been checking online help but I seem not to get my scenario Sp1 Sp2 Sp3 Sp4 Sp5 Sp6 Sp1 0 0 1 0 0 0 Sp2 1 0 0 0 1 0 Sp3 0 0 0 1 0 0 Sp4 0 1 0 1 0 0 Sp5 0 0 1 0 0 0 Sp6 0 0 0 1 1 0 -- Kind Regards Tawanda Tarakini Lecturer and Industrial attachment coordinator Department of Wildlife, Ecology and Conservation Chinhoyi University of Technology Bag 7724, Chinhoyi Cell: +263 775 321 722 Alternative email: ttarak...@cut.ac.zw [[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.