1. A new keyword -- calculated

2. Recall the original 10% bonus query
proc sql;
select Employee_ID, Salary,
Salary * .10 as Bonus
from orion.Employee_Payroll ;
quit;

3. Create a report that includes only those employees who receive bonuses less than $3000.
proc sql;
select Employee_ID, Employee_Gender,
Salary, Salary * .10 as Bonus
from orion.Employee_Payroll
where Bonus < 3000 ;
quit;
s102d14

4. Subsetting with Calculated Values
Because a WHERE clause is evaluated before the SELECT clause, columns used in the WHERE clause must exist in the table or be derived from existing columns. Bonus column is not in the source table, an error was generated.

5. Subsetting with Calculated Values--one solution, repeat the calculation.
proc sql;
select Employee_ID, Employee_Gender,
Salary, Salary * .10 as Bonus
from orion.Employee_Payroll
where Salary * .10 < 3000 ;
quit;
s102d14

6. Subsetting with Calculated Values, alternative method – the CALCULATED keyword.
proc sql;
select Employee_ID, Employee_Gender,
Salary, Salary * .10 as Bonus
from orion.Employee_Payroll
where calculated Bonus < 3000 ;
quit;
s102d14

7. Subsetting with Calculated Values – using the CALCULATED keyword in other locations.
proc sql;
select Employee_ID, Employee_Gender,
Salary, Salary * .10 as Bonus,
calculated Bonus/2 as Half
from orion.Employee_Payroll
where calculated Bonus < 3000 ;
quit;
s102d14

8. Example--Find all participants at the first examination with average systolic blood press ≥ 250 mmHg
proc sql;
describe table dictionary.columns ;
quit;

9. Find the variable names
proc sql;
select name
from dictionary.columns
where memname="FRAM30" and
upcase(label) contains "SYS" ;
quit;

10. Complete the query proc sql; select id, mean(spa1,spf1,sps1) as mnsbp
from fram.fram30
where calculated mnsbp ge 250 ;
quit;