On Aug 7, 2013, at 10:37 PM, Kevin Parent wrote: > Hoping someone here can help me with this small problem. > set.seed(2013) > > x<-sort(c(letters,letters[sample(26,10,1)])) > > This gives a vector of 36 letters with some muliples (in this case, > g,m,s,t,u,v,x,y). Now what I need is to get rid of the ones that only occur > once and keep the multiples. I need the opposite of the unique() function. I > expect this should be pretty easy but I can't see it. Anyone know a solution? > Thanks in advance! > > ?duplicated
x[ duplicated(x) ] David Winsemius Alameda, CA, USA ______________________________________________ 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.
