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SAS A00-215 Exam - Topic 13 Question 44 Discussion

Actual exam question for SAS's A00-215 exam
Question #: 44
Topic #: 13
[All A00-215 Questions]

Given the following code:

Which variables are created with the BY statement?

Show Suggested Answer Hide Answer
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.

by Leonida at May 05, 2025, 06:58 PM

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Vi
4 months ago
B doesn't make sense, it's not how variable naming works.
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Xenia
4 months ago
I agree with A, that's how BY statements work!
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Jin
4 months ago
Wait, are we sure about that? Seems off to me.
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Dyan
5 months ago
I think it's actually C, not A.
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Jennifer
5 months ago
Definitely A, those are the right variables.
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Dustin
5 months ago
I thought the BY statement only created variables for the first and last names, but now I'm questioning if that's right.
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Lorean
5 months ago
I feel like it's definitely First_State and Last_State, but I might be mixing it up with another example we did in class.
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Carla
6 months ago
I remember practicing a similar question where the BY statement defined new variables, but I can't recall the exact names.
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Cheryll
6 months ago
I think the BY statement creates variables based on the grouping, but I'm not sure if it's First and Last or something else.
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Brittani
6 months ago
I'm going to carefully analyze the code and the variable naming conventions to determine the right answer. The key is understanding how the BY statement works in this context.
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Vi
6 months ago
Wait, I'm confused. The options mention State. First, State. Last, First. State, and Last. State. I'm not sure which one is correct.
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Denna
6 months ago
Okay, I think I've got this. The BY statement is creating variables based on the First. and Last. prefixes, so the answer is likely D. First. and Last.
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Georgeanna
7 months ago
Hmm, I'm a bit unsure about this one. The BY statement can create some tricky variable names, so I'll need to think it through step-by-step.
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Ashleigh
7 months ago
This looks like a straightforward question about the BY statement in SAS. I'll need to carefully read the code and options to determine which variables are created.
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Rene
10 months ago
Haha, this is an easy one. If you can't figure out that C is the right answer, you might want to rethink your career choice!
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Emelda
10 months ago
D) First. and Last.
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Kris
10 months ago
C) First_State and Last_State
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Bette
10 months ago
B) First. State and Last. State
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Fatima
10 months ago
A) State. First and State. Last
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Goldie
11 months ago
This question is pretty straightforward. The BY statement is clearly creating new variables with the names First_State and Last_State.
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Lynelle
10 months ago
C) First_State and Last_State
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Christa
10 months ago
B) First. State and Last. State
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Marge
10 months ago
A) State. First and State. Last
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Daron
11 months ago
I think the answer is D) First. and Last. because those are the variables created by the BY statement
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Dante
11 months ago
I agree with Vivienne. The code shows that the variables created are First_State and Last_State, not the options in A, B, or D.
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Flo
10 months ago
Yes, I agree. It's not State. First and State. Last as mentioned in the options.
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Haley
10 months ago
I think you're right, the variables created are First_State and Last_State.
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Clorinda
11 months ago
But the BY statement creates variables for the first and last observations in a BY group, so A) makes more sense
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Annette
11 months ago
I disagree, I believe the answer is B) First. State and Last. State
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Clorinda
12 months ago
I think the answer is A) State. First and State. Last
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Vivienne
12 months ago
The correct answer is C) First_State and Last_State. The BY statement creates new variables with the prefix of the variable names.
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Chantell
11 months ago
You are right, the BY statement creates new variables with the prefix of the variable names.
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Socorro
11 months ago
No, I believe it is C) First_State and Last_State
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Carri
11 months ago
I think the correct answer is A) State. First and State. Last
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