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- function [r,a,b] = calcul_parametres(X,Y)
- X_barre = mean(X);
- Y_barre = mean(Y);
- var_X = mean((X - X_barre).^2);
- var_Y = mean((Y - Y_barre).^2);
- et_X = sqrt(var_X);
- et_Y = sqrt(var_Y);
- covX_Y = mean((X - X_barre).*(Y - Y_barre));
- a = covX_Y / var_X;
- b = Y_barre - a * X_barre;
- r = covX_Y / (et_X * et_Y);
- end
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