Perhaps something about like this: merge(vv[-c(which(duplicated(vv))-1, which(duplicated(vv))),], vv2, by=1)
On Wed, Jun 4, 2008 at 3:08 PM, kayj <[EMAIL PROTECTED]> wrote: > > > > Thanks a lot for your help, I appreciate it. > > > > > David Winsemius wrote: > > > > Thanks for your reply. > > > > In your last step If I create a duplicate ( two similar records ) > > # create a duplicate > > vv[8,1] <- 7 > > vv[8,2]<-'g' > > > > and then I merge vv with vv2 ,both duplicates are merged. Is there a way > > to tell R to merge only the unique records. > > > > ------ > > > > I don't think merge will do what you are asking. Suspect you would need > to > > do it either before the merge or after. I tried using the Extract > operator > > on a merged dataset, but only succeeded in omitting the duplicated items, > > not both instances. > > > > -- > > David Winsemius > > > > > > > > > > -- > View this message in context: > http://www.nabble.com/merging-two-data-sets-with-no-column-header-tp17613296p17652963.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. > -- Henrique Dallazuanna Curitiba-Paraná-Brasil 25° 25' 40" S 49° 16' 22" O [[alternative HTML version deleted]]
______________________________________________ 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.
