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Re: Occurrences in Mathematica


I'd start with something simple like

Cases[Tally[list], {a_, 1} :> a]








On Sun, Jan 10, 2010 at 3:28 AM, George <gtatishvili at gmail.com> wrote:

> Hi,
>
> I have a very big list of elements and I need Mathematica to give me
> only those elements which occure only once...
>
> Could anybody advise me please how to write the code for that?
>
> Thks much
> George
>
>


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