... which is the same as setdiff(union(x, y), intersect(x, y))
-Christos > -----Original Message----- > From: r-help-boun...@r-project.org > [mailto:r-help-boun...@r-project.org] On Behalf Of > dav...@rhotrading.com > Sent: Tuesday, January 13, 2009 10:56 AM > To: Juliet Hannah; r-help@r-project.org > Subject: Re: [R] meaning of asymmetric on help page for intersect > > There is also a symmetric set difference = union(setdiff(x, > y), setdiff(y, x)) denoted x \Delta y > > -- David > > > -----Original Message----- > From: r-help-boun...@r-project.org > [mailto:r-help-boun...@r-project.org] > On Behalf Of Juliet Hannah > Sent: Tuesday, January 13, 2009 9:41 AM > To: r-help@r-project.org > Subject: [R] meaning of asymmetric on help page for intersect > > Sorry if this is a silly question. What does asymmetric refer > to from ?intersect, and are there any aspects of the result > that may be different from expected (reason for exclamation point) ? > > As toy data, if needed, here are the examples from the help page. > > (x <- c(sort(sample(1:20, 9)),NA)) > (y <- c(sort(sample(3:23, 7)),NA)) > > Thanks, > > Juliet > > ______________________________________________ > 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. > > ______________________________________________ > 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. > > ______________________________________________ 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.
