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st: RE: Generating random variates
Roger Harbord writes that there are issues involved in properly
installing the -rnd- package. Others have adequately replied to
the general problem of STB programs not always being updated;
I'll not address that further.
I should apologize, though, for pointing Anirban to the STB 41
reference. Clearly I should have remembered that the latest
version was elsewhere, since I stimulated the changes therein.
Nonetheless, despite Roger's P.S. (below), I still believe that
the -rnd- package is the best resource for solving Anirban's problem.
> P.S. None of this is in fact relevant to anirban basu's
> original query as he explained in his second message that
> he wants to use his own random numbers, not the
> -rnd- package. I've no ideas on that - sorry anirban.
Anirban's original message was:
> I was wondering if there is any easy way to generate random
> variates for Poisson, Negative Binomial and Inverse Gaussian
> distributions where E(y) = mu = exp(xb) in Stata.
This is precisely what -rnd- does. The only issue might be that
-rnd- generates a new dataset of a specified size containing the
random variates. As far as I know, there are not functions
available to generate individual random variates. If Anirban
requires a _single_ random variate (rather than a dataset of
random variates), his only recourse is to modify the -rnd- code
to generate the single variate, stuff it into a returned value,
and pick it up in his own program.
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