Can this be an answer ? which(v %in% names(table(v)[table(v)>1])) [1] 2 5
Nael On Wed, Oct 8, 2008 at 8:36 PM, liujb <[EMAIL PROTECTED]> wrote: > > Dear R users, > > I have this vector that consists numeric numbers. Is there a command that > detects the repeated numbers in a vector and returns the index of the > repeated numbers (or the actual numbers)? For example, v <- c(3,4,5,7,4). > The command would return me index 2 and 5 (or the repeated number, 4). > > Thank you very much, > Julia > -- > View this message in context: > http://www.nabble.com/detect-repeated-number-in-a-vector-tp19884768p19884768.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. > [[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.
