[SciPy-user] stats newbie question

Robert Kern rkern at ucsd.edu
Wed Mar 16 19:57:31 CST 2005

r help wrote:
> hi
> i am attempting to use the cdf of a lognormal
> distribution but i cant seem to locate the docs to do
> this correctly. 

Starting from


you navigate to


Alternatively, you can read the docstring of the lognorm object.

> ive been trying
> from scipy import *
> from scipy.stats import *
> then i try
> lognorm.cdf(1,1)
> stats.lognorm.cdf(1,1)
> which just give errors. 

What errors?

This is what I get:

In [1]: from scipy import *

In [2]: stats.lognorm.cdf(1,1)
Out[2]: NumPy array, format: long

> can anyone shed some light on
> how to access the lognorm distribution.

Read the livedocs. Also, help us to help you and read


Robert Kern
rkern at ucsd.edu

"In the fields of hell where the grass grows high
  Are the graves of dreams allowed to die."
   -- Richard Harter

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