[SciPy-User] binom pdf error
Antonio Ingargiola
tritemio at gmail.com
Fri Jul 22 17:31:11 EDT 2011
Hi to the list,
I got an error using the pdf method on the binom distribution. Same error
happens on scipy 0.8 and scipy 0.9 (respectively ubuntu distribution and
pythonxy on windows).
The error is the following:
In [1]: from scipy.stats.distributions import binom
In [2]: b = binom(20,0.8)
In [3]: b.rvs()
Out[3]: 17
In [4]: b.pdf(2)
---------------------------------------------------------------------------
AttributeError Traceback (most recent call last)
C:\Users\anto\.xy\startups\<ipython console> in <module>()
C:\Python26\lib\site-packages\scipy\stats\distributions.pyc in pdf(self, x)
333
334 def pdf(self, x): #raises AttributeError in frozen discrete
distribution
--> 335 return self.dist.pdf(x, *self.args, **self.kwds)
336
337 def cdf(self, x):
AttributeError: 'binom_gen' object has no attribute 'pdf'
In [5]:
Is this known problem? How can I get the binomial pdf, is there a
workaround?
Many thanks,
Antonio
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