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Re: st: Testing equal skewness and/or uniform distribution across groups
From
Maarten Buis <[email protected]>
To
[email protected]
Subject
Re: st: Testing equal skewness and/or uniform distribution across groups
Date
Sun, 8 Sep 2013 10:01:19 +0200
-simpplot- allows you to graphically check the distirbution of a
variable against a standard continuous uniform distribution. It has a
test-like flavor in the sense that you can add pointwise and overall
confidence intervals. For examples see:
http://www.maartenbuis.nl/software/simpplot.html
-- Maarten
On Sat, Sep 7, 2013 at 8:20 PM, Yuval Arbel <[email protected]> wrote:
> Dear statalisters,
>
> Is there any way to test equality of skewness across groups? whether
> two samples are drawn from a uniform distribution?
>
> I found several partial solutions - but what I actually need seems to
> be something equivalent to -sdtest- applied to skewness instead of
> variance.
>
> Other partial solutions that I found is to use -sktest-. The problem
> is that the test is applied to each group separately and not makes
> comparison across groups
>
> I also tried -ksmirnov-, but this test does not work very well on
> small samples and it is not very helpful
>
> I wonder if there is a better solution.
>
> As always, your answers will be highly appreciated
> --
> Dr. Yuval Arbel
> School of Business
> Carmel Academic Center
> 4 Shaar Palmer Street,
> Haifa 33031, Israel
> e-mail1: [email protected]
> e-mail2: [email protected]
> You can access my latest paper on SSRN at: http://ssrn.com/abstract=2263398
> You can access previous papers on SSRN at: http://ssrn.com/author=1313670
> *
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> * http://www.stata.com/help.cgi?search
> * http://www.stata.com/support/faqs/resources/statalist-faq/
> * http://www.ats.ucla.edu/stat/stata/
--
---------------------------------
Maarten L. Buis
WZB
Reichpietschufer 50
10785 Berlin
Germany
http://www.maartenbuis.nl
---------------------------------
*
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