Dimitris Rizopoulos: > dat[!duplicated(dat$Id), ]
Very elegant. I didn't know about 'duplicated()' before now. Seems like a very useful function. -- Karl Ove Hufthammer ______________________________________________ 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.
