[SciPy-User] Wording question regarding to distributions

josef.pktd@gmai... josef.pktd@gmai...
Thu Jan 14 17:13:54 CST 2010


On Thu, Jan 14, 2010 at 5:37 PM, David Warde-Farley <dwf@cs.toronto.edu> wrote:
>
> On 14-Jan-10, at 5:30 PM, Gökhan Sever wrote:
>
>> Hello,
>>
>> What is the right way to express:
>>
>> Do we fit data to a distribution or distribution to data?
>>
>> Thanks.
>
> I would say the latter. Assuming we are talking about the same
> scenario, the data follow some unknown distribution, which you try to
> approximate with some parametric form using maximum likelihood
> estimators and such. So you are fitting a (particular) distribution
> (or more specifically, a model of the underlying process which *uses*
> that particular distribution) to observed data.

I agree, unless you are "massaging" your data to fit the distribution
to get nicer results.

Josef

>
> My $0.02,
>
> David
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