?Reduce > x <- function(z) Reduce('union', z) > x(list(1:3, 4:6)) [1] 1 2 3 4 5 6 > x(list(1:3, 4:6, 3:7)) [1] 1 2 3 4 5 6 7 > x <- function(z) Reduce('intersect', z) > x(list(1:3, 4:6, 3:7)) integer(0) > x(list(1:3, 2:6, 3:7)) [1] 3
On Thu, Jun 3, 2010 at 3:59 AM, amir <a...@ac.upc.edu> wrote: > Hi, > > I want to do an intersection or union on more than two sets. > Is there any command to do this? > > Regards, > Amir > > ______________________________________________ > 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. > -- Jim Holtman Cincinnati, OH +1 513 646 9390 What is the problem that you are trying to solve? ______________________________________________ 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.