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Re: st: Incomplete Beta Function


From   Maarten Buis <maartenlbuis@gmail.com>
To   statalist@hsphsun2.harvard.edu
Subject   Re: st: Incomplete Beta Function
Date   Mon, 18 Feb 2013 12:44:21 +0100

On its own the incomplete beta function is not a model, so you need to
tell us more before we can help you.

-- Maarten

On Mon, Feb 18, 2013 at 12:12 PM,  <nicostat@gmail.com> wrote:
> Thanks Maarteen,
> yes  I need to estimate the parameters a and b of this beta incomplete
> function by ml.
> Thanks
> Catia
>
> 2013/2/18 Maarten Buis <maartenlbuis@gmail.com>:
>> On Sun, Feb 17, 2013 at 9:15 PM,  <nicostat@gmail.com> wrote:
>>> I would like to estimate incomplete Beta function such as this below
>>> trough maximum likelihood I can performance this in Stata?
>>>
>>> (y*/50) = I (a, b)
>>> where I(a, b) is the incomplete Beta function ratio with parameters a and b.
>>
>> What is your question? Do you want to incomplete Beta function? Than
>> type in Stata: -findit incomplete beta function-. Do you want to
>> estimate the paramters a and b? Than you need to write down your
>> log-likelihood function and use -ml- to maximize that. In that case
>> you will want to have access to:
>> <http://www.stata.com/bookstore/maximum-likelihood-estimation-stata/>.
>>
>> -- Maarten
>>
>>
>>
>> -- Maarten
>>
>> ---------------------------------
>> Maarten L. Buis
>> WZB
>> Reichpietschufer 50
>> 10785 Berlin
>> Germany
>>
>> http://www.maartenbuis.nl
>> ---------------------------------
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-- 
---------------------------------
Maarten L. Buis
WZB
Reichpietschufer 50
10785 Berlin
Germany

http://www.maartenbuis.nl
---------------------------------
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