Hi,
I want from a vector containing has like 1000 elements to select X of it randomly but with never selecting the same element again. Each one should be unique element of the vector.
Is this more precise now?

Regards
Alex




On Monday, January 20, 2014 7:54 PM, Alaios <alaios@yahoo.com> wrote:
 
Dear all,
I would like to select from a vector of 10 elements, 5 of those that are identical.
How can I do that in R? I guess one way would be to taking random numbers and see if that appeared again. Is though there a more straightforward approach?

Regards
Alex
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