Re: [Rd] Multiple Intersections

2008-05-28 Thread Martin Maechler
Please, Gentlemen, this whole thread has *nothing* to do with "R-devel", and pretty much with "R-help". So please revert to there (or do reply off-list if you really want that) Regards, Martin > "TC" == Tony Chiang <[EMAIL PROTECTED]> > on Wed, 28 May 2008 16:57:04 +0100 writes:

Re: [Rd] Multiple Intersections

2008-05-28 Thread Tony Chiang
Hi Martin, I think I was extremely unclear about my question. If I have a list of $n$ character vectors, I would like to look at the intersection of $k$ of these vectors (of which there are n choose k). Martin, you methods (at least the first one) is one that I use, but I also use the combn(n,k) a

Re: [Rd] Multiple Intersections

2008-05-28 Thread Martin Morgan
Hi Tony -- off-list, as I think you're looking for something else... "Tony Chiang" <[EMAIL PROTECTED]> writes: > Hi all, > > I don't know if this is the correct venue for this question, but I am sure > that someone will correct me if I am in the wrong list. > > I have been searching throughout R

[Rd] Multiple Intersections

2008-05-28 Thread Tony Chiang
Hi all, I don't know if this is the correct venue for this question, but I am sure that someone will correct me if I am in the wrong list. I have been searching throughout R for a function that can find the intersection of multiple sets of "things". Say for instance, I have a list of $n$ characte