Dear Leon, Perhaps: x <- c("yes", "no", "yes", "yes", "no", "not sure") names(table(x))[table(x)>=2]
HTH, Jorge On Wed, Oct 29, 2008 at 9:47 AM, Leon Yee <[EMAIL PROTECTED]> wrote: > Dear all, > > How can I get the duplicated elements from a vector? For example, > x <- c("yes", "no", "yes", "yes", "no", "not sure"), how can I filter out > all the elements which occured >=2 times? > > Thanks for any help! > > Regards, > Leon > > ______________________________________________ > 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.