Also if you want all the matches > x[x %in% y] [1] 2 3 3 3
On 8/17/07, Gonçalo Ferraz <[EMAIL PROTECTED]> wrote: > Hi, > > Imagine a vector x with elements (1,2,1,1,3,5,3,3,1) and a vector y with > elements (2,3). I need to find out what elements of x match any of the > elements of y. > > Is there a simple command that will return a vector with elements > (F,T,F,F,T,F,T,T,F). Ideally, I would like a solution that works with > dataframe colums as well. > > I have tried x==y and it doesn't work. > x==any(y) doesn't work either. I realize I could write a foor loop and go > through each element of y asking if it matches any element of x, but isn't > there a shorter way? > > Thanks, > Gonçalo > > [[alternative HTML version deleted]] > > > ______________________________________________ > R-help@stat.math.ethz.ch 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 you are trying to solve? ______________________________________________ R-help@stat.math.ethz.ch 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.