"MODEL" Y = A3 * X3 + A2 * X2 + A1 * X1; "INPUT" 5 * [Y, X1, X2, X3]; "OPTIONS" 1, 2, 5, 8; "DATA" 8 2 1 4 10 -1 2 1 9 1 -3 4 6 2 1 2 12 1 4 6 "RUN" "MODEL" Y - 4 * X1 = B2 * (X1 + X2) + B3 * X3; "OPTIONS" 1, 2, 9; "RUN" "EXIT"