Message-ID: <39B6DDB9048D0F4DAD42CB26AAFF0AFA076EDB@usctmx1106.merck.com>
Date: 2005-05-05T20:21:40Z
From: Liaw, Andy
Subject: Intersection of more than two groups in one function?
Here's a brute-force approach:
> "%i%" <- intersect
> x1 <- c(1, 3, 4, 7)
> x2 <- c(3, 7, 8)
> x3 <- c(7, 1)
> x1 %i% x2 %i% x3
[1] 7
Andy
> From: Ken Termiso
>
> Hi all,
>
> As far as I can tell, the only canned way to do an intersect
> between two
> vectors of ints is the intersect(vec1, vec2) function -- is
> there another
> function I'm missing for intersecting more than two vectors??
>
> TIA,
> Ken
>
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