*
* Example 2.4 from p 34
*
open data wage1.raw
data(format=free,org=columns) 1 526 wage educ exper tenure nonwhite female married numdep smsa northcen $
 south west construc ndurman trcommpu trade services profserv profocc clerocc servocc lwage expersq tenursq
*
linreg wage
# constant educ
*
disp "Predicted Wage for 8 Years of Education" %beta(1)+%beta(2)*8