[Numpy-discussion] Newbie Question, Probability

Robert Kern robert.kern at gmail.com
Wed Dec 20 17:30:40 CST 2006

Mark Janikas wrote:
> Hello all,
> Is there a way to get probability values for the various families of 
> distributions in numpy?  I.e. ala R:

We have a full complement of PDFs, CDFs, etc. in scipy.

In [1]: from scipy import stats

In [2]: stats.norm.pdf(1.96, loc=0.0, scale=1.0)
Out[2]: array(0.058440944333451469)

In [3]: stats.norm.cdf(1.96, loc=0.0, scale=1.0)
Out[3]: array(0.97500210485177952)

Robert Kern

"I have come to believe that the whole world is an enigma, a harmless enigma
  that is made terrible by our own mad attempt to interpret it as though it had
  an underlying truth."
   -- Umberto Eco

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