* output results to log file
log using attendance.log, replace

* read in baseball data
* wins and attendance for 2003 season
use attendance

* dscribe data
desc

* get means of wins and payroll
sum wins attendance

* get correlation coefficient
corr wins attendance

* get detailed data for attendance
sum attendance, detail

* run simple regression
reg attendance wins

* output predicted attendance
predict pred_att, xb

list team wins attendance pred_att

* predict residuals
predict res_att, residuals

* show that the mean of the
* residuals is zero
sum res_att

* shows that the residuals
* are uncorrelated with x
corr res_att wins

log close