lapply() setdiff() by columns. Unless you have failed to tell us something, you almost certainly will not get a data frame (same number of rows/column) as your answer.
-- Bert On Thu, Oct 31, 2013 at 12:58 PM, Yasin Gocgun <entropy...@gmail.com> wrote: > Hi, > > I have two data frames, say, x and y, where y is a subset of x. How > can I find the set difference of these two data frames (i.e., x-y)? > > Thanks, > > -- > Yasin Gocgun > > ______________________________________________ > 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. -- Bert Gunter Genentech Nonclinical Biostatistics (650) 467-7374 ______________________________________________ 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.