SAS coding If you run this DATA step, what observations does the data set bonuse
ID: 3332437 • Letter: S
Question
SAS coding
If you run this DATA step, what observations does the data set bonuses contain?
data bonuses;
merge managers staff;
by EmpID;
run;
A. all of the observations from managers, and only those observations from staff with matching values for EmpID
B. all of the observations from staff, and only those observations from managers with matching values
for EmpID
C. all observations from staff and all observations from managers, whether or not they have matching values
D.only those observations from staff and managerswith matching values for EmpID
Explanation / Answer
C. all observations from staff and all observations from managers, whether or not they have matching values
We can keep only the observations with matched values for the common variable. That is achieved by using the IN statement. The merge statement of the SAS program needs to be changed.
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