Mercurial > repos > jcb-mpl > eics_first_extraction
view src/mz_6bis_durbin_watson.sci @ 2:2e517ac29e6c draft
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| author | jcb-mpl |
|---|---|
| date | Thu, 24 Jun 2021 16:07:04 +0000 |
| parents | 245b2c2b3d75 |
| children |
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function x_dw=mz_6bis_durbin_watson(x_tr_mz) // pas de calcul matriciel car pas assez de memoire // x_dw doit varier entre 0 et 2 // 0=ce qu on recherche [n,q]=size(x_tr_mz.d); // calcul de la norme des differences et des vect-colonne de x_tr_mz x_diff=x_tr_mz.d(2:n,:)-x_tr_mz.d(1:n-1,:); rmsce=zeros(q,1); rmsce2=zeros(q,1); for i=1:q; rmsce(i)=sqrt((x_diff(:,i)'*x_diff(:,i))/(n-1)); rmsce2(i)=sqrt((x_tr_mz.d(:,i)'*x_tr_mz.d(:,i))/(n)); end x_dw=rmsce./rmsce2; endfunction
