[Numpy-discussion] power function distribution or power-law distribution?

[Renato Fabbri]

On Thu, Aug 24, 2017 at 11:47 AM, Nathan Goldbaum <nathan12343 at gmail.com>
wrote:

> The latest version of numpy is 1.13.
>
> In this case, as described in the docs, a power function distribution is
> one with a probability desnity function of the form ax^(a-1) for x between
> 0 and 1.
>

ok, let's try ourselves to relate the terms.
Would you agree that the "power function distribution" is a "power-law
distribution"
in which the domain is restricted to be [0,1]?




>
> On Thu, Aug 24, 2017 at 9:41 AM, Renato Fabbri <renato.fabbri at gmail.com>
> wrote:
>
>> Thanks for the reply.
>>
>> But the question remains:
>> how are the terms "power function distribution"
>> and "power-law distribution" related?
>>
>> The documentation link you sent have no information on this.
>> (
>> And seems the same as I get here
>> In [6]: n.version.full_version
>> Out[6]: '1.11.0'
>> )
>>
>> On Thu, Aug 24, 2017 at 11:07 AM, Pauli Virtanen <pav at iki.fi> wrote:
>>
>>> to, 2017-08-24 kello 10:53 -0300, Renato Fabbri kirjoitti:
>>> > numpy.random.power.__doc__
>>> >
>>> > uses only the term "power function distribution".
>>>
>>> The documentation in the most recent Numpy version seems to be more
>>> explicit, see the Notes section for the PDF:
>>>
>>> https://docs.scipy.org/doc/numpy/reference/generated/numpy.random.power
>>> .html
>>> <https://docs.scipy.org/doc/numpy/reference/generated/numpy.random.power.html>
>>>
>>> > BTW.  how is this list related to numpy-discussion at scipy.org?
>>>
>>> That's the old address of this list.
>>> The current address is numpy-discussion at python.org and it should be
>>> used instead.
>>>
>>> --
>>> Pauli Virtanen
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>>>
>>
>>
>>
>> --
>> Renato Fabbri
>> GNU/Linux User #479299
>> labmacambira.sourceforge.net
>>
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>>
>
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-- 
Renato Fabbri
GNU/Linux User #479299
labmacambira.sourceforge.net
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