Hi,
Can anyone help me with the sample () in R?

If I sample from x, I should get one integer.  Can anyone tell me what's
wrong here?
> x =1:12
> sample(x)
[1] 6.5

And, I cannot get the sample with size = 2
> sample(x, size = 2)
Error in sample(x, size = 2) : unused argument(s) (size = 2)
> sample(x, 2)
[1] 54.16667

Thank you in advance

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