sourcecodes/bnt-master/KPMstats/chisquared_histo.m


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function s = chisquared_histo(h1, h2)
% Measure distance between 2 histograms (small numbers means more similar)
denom = h1 + h2;
denom = denom + (denom==0);
s = sum(((h1 - h2) .^ 2) ./ denom);