function [As] = asymmetry2(X)
% asymmetry - computes sample asymmetry of a distribution
%   [As]=asymmetry2(X) computes row-wise asymmetry

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%% Version <http://svnbook.red-bean.com/en/1.5/svn.advanced.props.special.keywords.html>
% Created: 23 May 2018
% Created with Matlab version: 9.3.0.713579 (R2017b)

% $Id: kurtosis2.m 14368 2018-05-23 13:28:53Z bartgrasmeijer.x $
% $Date: 2018-05-23 15:28:53 +0200 (Wed, 23 May 2018) $
% $Author: bartgrasmeijer.x $
% $Revision: 14368 $
% $HeadURL: https://svn.oss.deltares.nl/repos/openearthtools/trunk/matlab/general/stat_fun/kurtosis2.m $
% $Keywords: asymmetry$

if isvector(X)
    X=X(:);
end
sz=[size(X) 1 ];
n=sz(1);
if n<4
    error('Asymmetry needs sample of size > 3')
end
Xh                  = imag(hilbert(X-mean(X)));
As                  = mean(Xh.^3) / mean(((X - mean(X)).^2).^(3/2));
end

