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From: Greg Heath <heath@alumni.brown.edu>
Newsgroups: comp.soft-sys.matlab
Subject: Re: How to assess whether a dataset is generated by a symmetric 
Date: Wed, 2 Jul 2008 07:12:23 -0700 (PDT)
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On Jul 2, 6:39=A0am, "wang wang" <pli...@gmail.com> wrote:
> I have a dataset and wanna to assess if it is generated by
> a symmetric distribution. Except for the usual measure of
> the skewness coefficent, is there functions that can give
> other measurements of symmetry or do some test for
> symmetry? Thanks!

You can try a KS test on the two symmetric distributions

p1(x) =3D p(x| x>=3D0) + p(-x| x <0)
p2(x) =3D p(-x| x>=3D0) + p(x| x <0)

Hope this helps,

Greg