TITLE:      N260 dataset simple regression
DATA:       FILE = N260.dat;
VARIABLE:   NAMES = ID CID SID Gender Race HW Public SES Educ MAch 
            ClassStr SchSize Urban Region Minority Ratio MAchMean HWMean; 
            Usevariables=MAch HW;
MODEL:      MAch on HW;
OUTPUT:     SAMPSTAT; STANDARDIZED;