Why the p value is so small in mann-whitney test?
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I have two matrix with diferent sizes
I want to check if the data from A are signifcantly diferent from the data in B using MWT (since not normal distribution)
This is my procedure:
group= [ones(size(A)); 2 * ones(size(B))];
[p, h, stats] = ranksum (D,g)
is there something wrong? my p value is returned very small!
struct with fields: