Re: st: RE: large numbers in comb(n,k) function: no success

[Inna Becher <inna.becher@uni-konstanz.de>]

Thanks a lot Maarten and Nick.
unfortunately could lnfactorial not manage the problem as well...


Nick Cox schrieb:
> In addition to Maarten's comments: This is why lnfactorial() is
> supplied. Often you can only work with the logarithms of large numbers
> that arise in combinatorial problems. 
>
> Nick 
> n.j.cox@durham.ac.uk 
>
> Inna Becher
>
> I would like to implement a comb(n,k) function. But my Stata does not 
> allow it because of large n, k-numbers. N=180000 and k=2000. Is there 
> any other way to do it? I wasn't successful by using exp(lnfactorial(n))
>
> in mata as well.
>
>
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