% Orig naar design matrix X en waarneem vector y
Orig = [1972, 44.66;
        1976, 44.26;
        1980, 44.60;
        1984, 44.27;
        1988, 43.87;
        1992, 43.50;
        1996, 43.49;
        2000, 43.84;
      ];

X = Orig(:,1) - 1972
X = [ ones(size(X)) X ]

y = Orig(:,2)