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

["Feiveson, Alan H. (JSC-SK311)" <alan.h.feiveson@nasa.gov>]

no - it's just -ibeta- it gives a value between 0 and 1

AL F. 

-----Original Message-----
From: owner-statalist@hsphsun2.harvard.edu
[mailto:owner-statalist@hsphsun2.harvard.edu] On Behalf Of Pablo Mitnik
Sent: Wednesday, January 02, 2008 11:22 PM
To: statalist@hsphsun2.harvard.edu
Subject: st: Re: How to implement Incomplete Beta Function in Stata?

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 


*
*   For searches and help try:
*   http://www.stata.com/support/faqs/res/findit.html
*   http://www.stata.com/support/statalist/faq
*   http://www.ats.ucla.edu/stat/stata/

*
*   For searches and help try:
*   http://www.stata.com/support/faqs/res/findit.html
*   http://www.stata.com/support/statalist/faq
*   http://www.ats.ucla.edu/stat/stata/