thanks a lot, Berend, I misread the n and shape as shape and scale
parameter!

On Sat, Mar 3, 2012 at 3:34 PM, Berend Hasselman <bhh@xs4all.nl> wrote:

>
> On 03-03-2012, at 21:27, C W wrote:
>
> > I want to get random numbers from Gamma distribution, when I do
> >
> > rgamma(1.95, 2)
> > [1] 2.313977
> >
> > but,
> > rgamma(2, 2)
> > [1] 2.7985347 0.9415515
> >
> > Why do I get two random numbers?  It's the same density function, I don't
> > see why the output should be a pair of numbers, is this explained in the
> > documentation?
>
> ?rgamma
>
> explains it all. First argument is n: number of observations. 1.95 is
> truncated.
>
> Berend
>
>

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