[R] Permutations

[Gavin Simpson]

On Fri, 2011-11-18 at 11:03 -0500, Gyanendra Pokharel wrote:
> Hi all,
> why factorial(150) shows the error out of range in 'gammafn'?
> I have to calculate the number of subset formed by 150 samples taking 10 at
> a time. How is this possible?
> best

Do you mean:

> choose(150, 10)
[1] 1.169554e+15

??

G
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