data Differences(drop=i);
   set sashelp.class;
   array BaseLine {3} _temporary_ (13.32 62.33 100.03);
   array Actuals {3} Age Height Weight;
   array Diffs {3} DiffAge DiffHgt DiffWgt;
   do i = 1 to 3 ;
      Diffs{i} = Actuals{i} - BaseLine{i};
   end;
run;
proc print data=Differences;
  title1 "Differences from BaseLine";
run;