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


From   "Feiveson, Alan H. (JSC-SK311)" <[email protected]>
To   <[email protected]>
Subject   st: RE: Re: How to implement Incomplete Beta Function in Stata?
Date   Thu, 3 Jan 2008 09:30:24 -0600

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

AL F. 

-----Original Message-----
From: [email protected]
[mailto:[email protected]] On Behalf Of Pablo Mitnik
Sent: Wednesday, January 02, 2008 11:22 PM
To: [email protected]
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.

[email protected] 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: [email protected] 


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