Is there any common variable? From your description, I don't see how you would link a species to a community. I mean if you select species a in df1 how would you know what community it is in?
--- On Thu, 1/6/11, Chris Mcowen <chrismco...@gmail.com> wrote: > From: Chris Mcowen <chrismco...@gmail.com> > Subject: [R] Multiple subsets of data > To: r-help@r-project.org > Received: Thursday, January 6, 2011, 6:29 AM > Dear List, > > I have a data frame called trait with roughly 800 species > in, each species have 15 columns of information: > > Species > 1 2 3 > etc.. > a > t y h > b > f j u > c > r y u > > etc.. > > > I then have another data frame called com with the > composition of species in each region, there are 506 > different communities: > > community species > NA1102 a > NA1102 c > NA0402 b > NA0402 c > AT1302 a > AT1302 b > > etc.. > > > What i want to do is extract the information held in the > first data frame for each community and save this as a new > data frame. > > Resulting in : - > > community_NA1102 > > a > t y h > c > r y u > > community_NA0402 > > b > f j u > c > r y u > > Thanks in advance for any suggestions / code. > ______________________________________________ > 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. > ______________________________________________ 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.
