SAS_Institute
A00-280 · Question #14
A00-280 Question #14: Real Exam Question with Answer & Explanation
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Question
Given the following data set:
subjid trt result dtime age
1 A CR 0 56
2 A PD 1 52
3 B CR 2 47
4 B CR 2 29
5 I SD 1 39
6 C PD 1 31
7 C PD 2 90
The following output was generated from PROC PRINT.
Obs subjid trt result dtime age
1 1 A CR 0 56
2 2 A PD 1 52
3 3 B CR 2 47
4 4 B CR 2 29
5 5 I SD 1 39
6 6 C PD 1 31
7 7 C PD 2 90
Which program was used to prepare the data for this PROC PRINT output?
Options
- Aproc sort data=one out=two; by subjid; run;
- Bproc sort data=one out=two nodupkey; by subjid; run;
- Cproc sort data=one out=two nodup; by subjid; run;
- Dproc sort data=one out=two nodupkey; by subjid trt; run;
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