[R] rpois > 0

[Rolf Turner]

On 16/10/11 03:45, peter dalgaard wrote:
> On Oct 15, 2011, at 01:44 , Rolf Turner wrote:
>
>> On 15/10/11 10:15, knut-o wrote:
>>> Hello
>>> what is the easiest way to generate rpois(m,lambda) but only values greater
>>> than 0 and length = m.
>>> tanks, knut
>> The rpospois() function from the VGAM package is what you are looking for.
>>
> Or,
>
> qpois(runif(m,dpois(0,lambda),1),lambda)
>
> should do the trick.

Well shut a bruck, as we say in New Zilland!  How bleedin' simple.
And obvious --- once it's been pointed out! :-)

     cheers,

         Rolf