[SciPy-user] Newbie and stats

Nils Wagner nwagner at mecha.uni-stuttgart.de
Wed Oct 19 03:01:21 CDT 2005


Samuel GARCIA wrote:
>Why
>stats.distributions.poisson.cdf(10,0) give nan
>stats.distributions.poisson.cdf(0,0) give nan
>
>an equivalent function of matlab gave me 1 for both.
>
>Samuel
>
>
>  
BTW, newscipy results in

>>> stats.distributions.poisson.cdf(10,0)
Traceback (most recent call last):
  File "<stdin>", line 1, in ?
  File
"/usr/local/lib/python2.4/site-packages/scipy/stats/distributions.py",
line 3265, in cdf
    insert(output,cond,self._cdf(*goodargs))
  File
"/usr/local/lib/python2.4/site-packages/scipy/stats/distributions.py",
line 3741, in _cdf
    k = floor(x)
NameError: global name 'floor' is not defined

Nils



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