[R] Is there a function to test if all the elements in a vector are unique

[Ista Zahn]

See ?duplicated. But really I don't see anything wrong with your approach.

-Ista

On Mon, Nov 30, 2009 at 10:42 PM, Peng Yu <pengyu.ut at gmail.com> wrote:
> length(unique(c(1,2,2)))==length(c(1,2,2))
>
> I use the above test to test if all the elements in a vector are
> unique. But I'm wondering if there is a convenient function to do so
> in R library.
>
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-- 
Ista Zahn
Graduate student
University of Rochester
Department of Clinical and Social Psychology
http://yourpsyche.org