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-rw-r--r--sourcecodes/bnt-master/SLP/examples/test_chisquare.m61
1 files changed, 61 insertions, 0 deletions
diff --git a/sourcecodes/bnt-master/SLP/examples/test_chisquare.m b/sourcecodes/bnt-master/SLP/examples/test_chisquare.m
new file mode 100644
index 00000000..5282f1b0
--- /dev/null
+++ b/sourcecodes/bnt-master/SLP/examples/test_chisquare.m
@@ -0,0 +1,61 @@
+%
+% test CHI2
+%
+
+% Génération de données jouet
+N=20000;
+xx=5*rand(N,1);
+yy=5*rand(N,1);
+zz = 5*rand(N,1);
+z2= (xx+yy) ;
+Data=1+[round(xx) round(yy) round(z2) round(zz)];
+Data=Data';
+
+texte{1}='dependency';
+texte{2}='independency';
+
+%test='pearson'; % Pearson's Chi2
+test='LRT';     % Likelihood ratio test G2
+
+fprintf('\n\n\n\t=================================================\n');
+fprintf('\t\tChi2 Test for (conditional) independency\n');
+fprintf('\t\t(X, Y and Z are theoritically independant)\n');
+
+fprintf('\t=================================================\n');
+fprintf('Variables \t\t: Theory :   Results        (test=%s)\n',test);
+fprintf('------------------------------------------------------------------------\n');
+
+S=[];
+x=1; y=2;
+[IND CHI2] = cond_indep_chisquare(x,y,S,Data(:,1:100),test);
+fprintf('X, Y \t\t\t: DEPDCY : \tCHI2=%8.2f \t%s (not enough data)\n',CHI2,texte{IND+1});
+
+S=[];
+x=1; y=2;
+[IND CHI2] = cond_indep_chisquare(x,y,S,Data,test);
+fprintf('X, Y \t\t\t: INDPCY : \tCHI2=%8.2f \t%s\n',CHI2,texte{IND+1});
+
+S=[];
+x=1; y=3;
+[IND CHI2] = cond_indep_chisquare(x,y,S,Data,test);
+fprintf('X, X+Y \t\t\t: DEPDCY :\tCHI2=%8.2f \t%s\n',CHI2,texte{IND+1});
+
+S=[];
+x=1; y=4;
+[IND CHI2] = cond_indep_chisquare(x,y,S,Data,test);
+fprintf('X, Z \t\t\t: INDPCY :\tCHI2=%8.2f \t%s\n',CHI2,texte{IND+1});
+
+
+x=1; y=2; S=4;
+[IND CHI2] = cond_indep_chisquare(x,y,S,Data,test);
+fprintf('X, Y | Z \t\t: INDPCY : \tCHI2=%8.2f \tconditional %s\n',CHI2,texte{IND+1});
+
+x=1; y=2; S=3;
+[IND CHI2] = cond_indep_chisquare(x,y,S,Data,test);
+fprintf('X, Y | X+Y \t\t: DEPDCY : \tCHI2=%8.2f \tconditional %s\n',CHI2,texte{IND+1});
+
+x=1; y=2; S=[3 4];
+[IND CHI2] = cond_indep_chisquare(x,y,S,Data,test);
+fprintf('X, Y | {X+Y,Z}\t\t: DEPDCY : \tCHI2=%8.2f \tconditional %s\n',CHI2,texte{IND+1});
+
+fprintf('------------------------------------------------------------------------\n');
\ No newline at end of file