[SciPy-user] Is this a bug in stats.geom.pmf?

Fernando Perez fperez.net@gmail....
Mon Jun 25 17:44:47 CDT 2007


On 6/25/07, Stefan van der Walt <stefan@sun.ac.za> wrote:
> On Mon, Jun 25, 2007 at 04:34:00PM -0600, Fernando Perez wrote:
> > On 6/25/07, Stefan van der Walt <stefan@sun.ac.za> wrote:
> >
> > > Which of these one calls "the" geometric distribution is a matter of
> > > convention and convenience.
> > > """
> > >
> > > So, do we simply pick one and stick with it?
> >
> > I don't really care, but at least the code and the docstring should be
> > consistent (and the docstring says that it uses the k>=1 formula).
> > Also, the wikipedia page does list the (1-p)**(k-1)*p formula for the
> > pmf, FWIW.
> >
> > Those who actually use this stuff might want to chime in, but at least
> > right now there is an inconsistency between code and docstring.
>
> r3117 should fix this.  I used the (k-1)-version, since that is
> what the original version was based on.

Great, thanks.

Cheers,

f


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