st: Re: How to implement Incomplete Beta Function in Stata?

[Pablo Mitnik <pmitnik@ssc.wisc.edu>]

I think I found it. It seems it can be implemented as ibeta( ) * beta ( 
), where beta is implemented using exp and lngamma.

pmitnik@ssc.wisc.edu wrote:

> Dear all,
>
> Does anyone know how to implement the incomplete Beta function in Stata? I
> am not referring to the Beta function, which can be implemented using
> lngamma. A  description of the function I need to use is in Mathematica's
> Web site, at http://mathworld.wolfram.com/IncompleteBetaFunction.html. I
> am hoping there is an indirect way of implementing it using existing
> functions, which I have missed.
>
> All best,
>
> Pablo Mitnik
>   
--
Pablo A. Mitnik
University of Wisconsin-Madison (http://www.wisc.edu/ )
Department of Sociology ( http://www.ssc.wisc.edu/soc/)
Center on Wisconsin Strategy (http://www.cows.org/ )
1180 Observatory Drive
Room 7114A
Madison, WI 53706
TEL (608) 2621839
E-mail: pmitnik@ssc.wisc.edu 

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