*
* Example 7.1 on page 222
*
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
*
* Wage regression with controls
*
linreg wage
# constant female educ exper tenure
*
* Wage regression without controls
*
linreg wage
# constant female