Hi [EMAIL PROTECTED] napsal dne 25.11.2008 05:30:52:
> > hi there > > I have a dataframe > > abc 123 345 > abc 345 456 > lmn 567 345 > hkl 568 535 > lmn 096 456 > lmn 768 094 > > i want the uniques of column 1 and there corresponsing column 2 and 3 > output > abc 123 345 > lmn 567 345 > hkl 568 535 > > cbind(DF1[,1],DF1[which(unique(DF1[,1]),c(2,3)]) > but didnt work If test is your data frame test[match(unique(test$V1),test$V1),] shall selecte first unique items. Regards Petr P.S. Not necessary to post your question several times. > > kindly let me know how to go abt it > > ramya > -- > View this message in context: http://www.nabble.com/dataframe-tp20675022p20675022.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. ______________________________________________ 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.