This is not really enough information. PLEASE do read the posting guide http://www.R-project.org/posting-guide.html and provide commented, minimal, self-contained, reproducible code.
Have you looked at ?unique John Kane Kingston ON Canada > -----Original Message----- > From: mandecent.gu...@gmail.com > Sent: Wed, 13 Jun 2012 04:03:00 -0700 (PDT) > To: r-help@r-project.org > Subject: Re: [R] How to Group Categorical data in R? > > If there are some unique value in each column. How to look up in R? > > > > -- > View this message in context: > http://r.789695.n4.nabble.com/How-to-Group-Categorical-data-in-R-tp4477622p4633235.html > Sent from the R help mailing list archive at Nabble.com. > > ______________________________________________ > 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. ____________________________________________________________ FREE 3D MARINE AQUARIUM SCREENSAVER - Watch dolphins, sharks & orcas on your desktop! ______________________________________________ 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.