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SAS Exam A00-215 Topic 13 Question 44 Discussion
Actual exam question for
SAS's
A00-215 exam
Question #: 44
Topic #: 13
[All A00-215 Questions]
Topic #: 13
Given the following code:
Which variables are created with the BY statement?
Suggested Answer:
A
In SAS, when you use a BY statement in a DATA step, SAS creates two temporary variables for each variable listed in the BY statement: one to indicate the first occurrence (FIRST.variable) and another to indicate the last occurrence (LAST.variable) of the value within the BY-group. Given the provided code and assuming that State is the variable used in the BY statement, SAS will create First.State and Last.State. Thus, option A is correct.
SAS documentation on the BY statement, SAS Institute.
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