[R] Incomplete Beta

Peter Dalgaard p.dalgaard at biostat.ku.dk
Tue Dec 13 18:21:52 CET 2005


Thomas Lumley <tlumley at 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 Bioestadística i Biomatematica
> > Departament de Ciències Mèdiques Bàsiques
> > Universitat de Lledia
> > tel: +34 973 702 406
> > FAX: +34 973 702 426
> > Home page: http://www.udl.es/Biomath/Group
> >
> > ______________________________________________
> > R-help at stat.math.ethz.ch mailing list
> > https://stat.ethz.ch/mailman/listinfo/r-help
> > PLEASE do read the posting guide! http://www.R-project.org/posting-guide.html
> >
> 
> Thomas Lumley			Assoc. Professor, Biostatistics
> tlumley at u.washington.edu	University of Washington, Seattle______________________________________________
> R-help at stat.math.ethz.ch mailing list
> https://stat.ethz.ch/mailman/listinfo/r-help
> PLEASE do read the posting guide! http://www.R-project.org/posting-guide.html

-- 
   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 at biostat.ku.dk)                  FAX: (+45) 35327907




More information about the R-help mailing list