Hi Gero,
Thanks for your comments.
It would be nice if an expert in statistics (if possible with
experience with KolmogorovTest and Chi2Test) could write some lines
on the virtues/problems of the two methods. I will add these comments
in the documentation of the two functions.
Rene Brun
On
Thu,
11
Aug 2005, Gero Flucke wrote:
> On Thu, 11 Aug 2005, Rene Brun wrote:
>
>> On Wed, 3 Aug 2005, Jan Conrad wrote:
>>
>>> Dear Root-developers,
>>>
>>> two suggestions:
>
> <snip>
>
>>> 2) having Chi2Test in place, maybe it is time to get rid of the
>>> Kolmogorov-Smirnov Test for
>>> histograms ?
>>
>> I dont't think that users will appreciate this proposal.
>> Could you comment on the relative merits/drawbacks of the two approaches.
>> I will add your comment in the KolmogorovTest functions.
>
> Hi Jan and Rene,
> so far I neither used the chi2Test nor the KolmogorovTest, but as far as I
> know from statistics, Kolmogorov is superior to chi2 in that sense that it
> is sensitive to differences in shape while chi2 is better in taking into
> account the histogram errors. So both tests have their own validity.
>
> Cheers
>
> Gero
>
Received on Thu Aug 11 2005 - 11:04:17 MEST
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