Re: [R] Incomplete Beta

From: Peter Dalgaard <p.dalgaard_at_biostat.ku.dk>
Date: Wed 14 Dec 2005 - 04:21:52 EST

Thomas Lumley <tlumley@u.washington.edu> writes:

> On Tue, 13 Dec 2005, Albert Sorribas wrote:
>
> >
> > Is there any function available in R for computing the incomplete Beta
> > function?
>
> pbeta(). The incomplete Beta function is the cdf of the Beta
> distribution

..except for the normalizing constant, I think. Check your references, but I suspect that you get pbeta by multiplying the incomplete Beta function by Gamma(a+b)/(Gamma(a)Gamma(b)).

> -thomas
>
> > I'll appreciate any suggestion
> >
> > --
> > Albert Sorribas
> > Grup de Bioestadística i Biomatematica
> > Departament de Ciències Mèdiques Bàsiques
> > Universitat de Lledia
> > tel: +34 973 702 406
> > FAX: +34 973 702 426
> > Home page: http://www.udl.es/Biomath/Group
> >
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>
> Thomas Lumley Assoc. Professor, Biostatistics
> tlumley@u.washington.edu University of Washington, Seattle______________________________________________
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-- 
   O__  ---- Peter Dalgaard             Øster Farimagsgade 5, Entr.B
  c/ /'_ --- Dept. of Biostatistics     PO Box 2099, 1014 Cph. K
 (*) \(*) -- University of Copenhagen   Denmark          Ph:  (+45) 35327918
~~~~~~~~~~ - (p.dalgaard@biostat.ku.dk)                  FAX: (+45) 35327907

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Received on Wed Dec 14 05:56:33 2005

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