N=[
    3 19 39 14 10 0
    1 2 13 1 12 1
    6 25 49 21 29 0
    3 15 41 35 26 0
    10 22 47 9 26 1
    3 11 25 15 34 1
    1 6 14 5 11 1
    0 12 34 17 23 1
    2 5 11 4 7 0
    2 11 37 8 20 1
];

labels.rows={'Geology' 'Biochemistry' 'Chemistry' 'Zoology' 'Physics' 'Engineering' 'Microbiology' 'Botany' 'Statistics' 'Mathematics'};
labels.columns={'A' 'B' 'C' 'D' 'E' 'Y'};

%'Y' IS A SUPPLEMENTARY COLUMN    
%Example from Correspondence analysis in practice (M Greenacre, 1993)