it's already in the VGAM package

http://www.stat.auckland.ac.nz/~yee/VGAM/



On Tue, May 22, 2012 at 7:59 AM, Joshua Ulrich <josh.m.ulrich@gmail.com>wrote:

> On Tue, May 22, 2012 at 8:27 AM, Joan Maspons <j.maspons@creaf.uab.cat>
> wrote:
> > Hello,
> >
> > 2012/5/22 Christophe Dutang <dutangc@gmail.com>
> >
> >> Dear Joan,
> >>
> <snip>
> >> If you want to contribute to R, you should write a package and submit it
> >> to CRAN. See http://cran.r-project.org/doc/manuals/R-exts.html
> >>
> >
> > It's necessary to develop a package before to add the functions to
> R-base?
> > I just want to add beta binomial and beta negative binomial distributions
> > which from my point of view are not more strange than distributions
> > included in R-base. I think they are quite common in order to simulate a
> > binomial or negative binomial process in an stochastic environment.
> >
> In order to add functions to the main R distribution, you have to
> convince someone on R-core to maintain the code.
>
> > In the other hand I have no experience in writing packages so it would
> take
> > me more time.
> >
> The actuar package contains many additional distributions.  You might
> see if the maintainer(s) would be interested in incorporating your
> code (if they don't have that functionality already).
>
> > Yours,
> > Joan
> >
> > Regards
> >>
> >> Christophe
> >>
> >> --
> >> Christophe Dutang
> >> Ph.D. student at ISFA, Lyon, France
> >> website: http://dutangc.free.fr
> >>
> >> Le 22 mai 2012 à 12:14, Joan Maspons a écrit :
> >>
> >> > Hello,
> >> >
> >> > I implemented the Beta binomial distribution following the patterns of
> >> the
> >> > binomial distribution code and inspired by JAGS' code [1]. I have
> studied
> >> > the code carefully but it's my first run in the R internals.
> >> >
> >> > Can somebody review the code and if everything it's ok commit to the
> >> > repository?
> >> >
> >> > [1]
> >> >
> >>
> http://mcmc-jags.hg.sourceforge.net/hgweb/mcmc-jags/mcmc-jags/file/15af65a4be29/src/modules/bugs/distributions/DBetaBin.cc
> >> >
> >> >
> >> > --
> >> > Joan Maspons
> >> > CREAF (Centre de Recerca Ecològica i Aplicacions Forestals)
> >> > Universitat Autònoma de Barcelona, 08193 Bellaterra (Barcelona),
> >> Catalonia
> >> > Tel +34 93 581 2915            j.maspons@creaf.uab.cat
> >> > http://www.creaf.uab.cat
> >> > ______________________________________________
> >> > R-devel@r-project.org mailing list
> >> > https://stat.ethz.ch/mailman/listinfo/r-devel
> >>
> >>
> >
> >
> > --
> > Joan Maspons
> > CREAF (Centre de Recerca Ecològica i Aplicacions Forestals)
> > Universitat Autònoma de Barcelona, 08193 Bellaterra (Barcelona),
> Catalonia
> > Tel +34 93 581 2915            j.maspons@creaf.uab.cat
> > http://www.creaf.uab.cat
> >
> >        [[alternative HTML version deleted]]
> >
> >
> > ______________________________________________
> > R-devel@r-project.org mailing list
> > https://stat.ethz.ch/mailman/listinfo/r-devel
> >
>
> ______________________________________________
> R-devel@r-project.org mailing list
> https://stat.ethz.ch/mailman/listinfo/r-devel
>



-- 
*A model is a lie that helps you see the truth.*
*
*
Howard Skipper<http://cancerres.aacrjournals.org/content/31/9/1173.full.pdf>

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