I would use match() ?match
Rich On Tue, Feb 15, 2011 at 2:11 PM, Francois Rousseu < francoisrous...@hotmail.com> wrote: > > Hello R users > > When using the function which to get matches, I usually do > > w<-which(x==y) > length(w)==0 > > to determine if there are matches or not. Is there a base function that can > do the thing more directly by returning a logical value if the result of > which is empty or not? > > Thanks > Francois Rousseu > [[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<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.
