* Sales Example -- Source code file sales.sas;

options linesize=70 nodate;
data sales;
   infile "c:/datasets/sales.txt" firstobs=8;
   input profit area popn outlets commis;
   label profit="Net profit margin for orders placed through rep"
         area="Area of district (1000 sq miles)"
         popul="Population of district (millions)"
         outlets="Number of outlets in district"
         commiss="Does rep get a commission (0=no, 1=yes)";

proc print;

proc reg;
   model profit=area popn commis outlets / influence vif tol;

proc reg;
   model profit=area commis outlets / influence vif tol;

run; 
quit;