data pilots;
input ID $ Name $ Jobcode $ salary;
cards;
001 Albert PT1 50000
002 Brenda PT1 70000
003 Carl PT1 60000
004 Donna PT2 80000
005 Edward PT2 90000
006 Flora PT3 100000
;
proc sql;
create table test1 as
select
Jobcode,
avg(Salary) as Average,
calculated Average-Salary
as Difference
from WORK.PILOTS
group by 1;
quit;