* Tirewear Example -- tirewear.sas source code;
data tirewear;
   infile 'c:/datasets/tirewear.txt' firstobs=2;
   input pressure mileage;
   
proc print;
   title 'Tirewear Example';
   title2 'Check relationship between tire pressure and lifetime mileage';

proc gplot;
   plot mileage*pressure;

proc corr cov;
   var pressure mileage;
   
run;