[SciPy-user] bug in scipy.stats ?
Sun Apr 20 22:42:57 CDT 2008
Okay, thanks, that helps --though I kinda think some of this could be
better organized / documented. I will probably be working a lot with
this module, so maybe I will try to incrementally try to improve it.
On Sun, Apr 20, 2008 at 11:21 AM, Stéfan van der Walt <email@example.com> wrote:
> Hi Hoyt
> On 20/04/2008, Hoyt Koepke <firstname.lastname@example.org> wrote:
> > Been playing around with scipy.stats a little bit and noticed some
> > puzzling behavior with the gamma function. Is this a bug?
> > In : import scipy.stats as st
> > In : g = st.gamma(a=1, b=1)
> > In : g.rvs()
> >From the docstring:
> Alternatively, the object may be called (as a function) to fix
> the shape, location, and scale parameters returning a
> "frozen" continuous RV object:
> myrv = gamma(a,loc=0,scale=1)
> - frozen RV object with the same methods but holding the
> given shape, location, and scale fixed
> For the gamma function:
> b = theta = scale
> So you can either do:
> g = st.gamma(a, scale=b)
> g.rvs(), g.rvs(3) etc.
> g = st.gamma.rvs(a, scale=b)
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