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SAS_Institute

A00-280 · Question #14

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…

The correct answer is B. proc sort data=one out=two nodupkey; by subjid; run. See the full explanation below for the reasoning.

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;

How the community answered

(62 responses)
  • A
    15% (9)
  • B
    77% (48)
  • C
    3% (2)
  • D
    5% (3)

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