Hi, On Fri, Dec 17, 2010 at 10:19 AM, John Haart <anothe...@me.com> wrote: > Hi, > > I have two matrices with a common field = species what i want to do is make a > matrix that combines the data held in the other two based on the species name.
Look at the merge function: ?merge -steve -- Steve Lianoglou Graduate Student: Computational Systems Biology | Memorial Sloan-Kettering Cancer Center | Weill Medical College of Cornell University Contact Info: http://cbio.mskcc.org/~lianos/contact ______________________________________________ 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.