Martin--
Try
findit gendist
and
findit rnd
and look inside the relevant ado code, e.g.
viewsource genpoisson.ado
and
viewsource rndpoix.ado
On Thu, Feb 21, 2008 at 8:45 AM, E. Paul Wileyto <[email protected]> wrote:
> I don't think there is any way other than by brute force. Generate the
> uniform random number, and then go through the cumulative distribution
> of Poisson counts with a lot of comparisons. You will need to pick a
> place to stop (largest count possible) or you could just keep going.
> Logical functions will be more efficient than if/thens.
>
> Martin Weiss wrote:
> > to pick up the recent discussion of random number generation in Stata, how
> > would one go about generating poisson random numbers without calling any
> > external programs? I am certainly not as adept as others on the list
> > inverting cumulative distribution functions, so I would appreciate any
> > suggestions...
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