[R] beginner question: how to sort out distinct values from a vector

[Chuck Cleland]

?unique

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
> 
> thank you
> 
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