On Thu, 2005-03-17 at 12:24 -0500, Terry Mu wrote: > there is a vector, like: > 1, 1, 1, 2, 2, 3, 3, 4, 5, 5, > > I'd like a function that gives me only 1, 2, 3, 4, 5 See ?unique HTH, Marc SChwartz