SAS_Institute
A00-280 · Question #73
A00-280 Question #73: Real Exam Question with Answer & Explanation
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Question
data BASE_BP (drop=vststcd);
set VS (keep=usubjid vsstresn vststcd);
if vststcd in('DIABP', 'SYSBP');
run;
Which alternative program creates an equivalent BASE_BP data set?
Options
- Aproc sort data=VS (keep=usubjid vsstresn vststcd) out=BASE_BP (drop=vststcd); where vststcd in('DIABP', 'SYSBP'); by usubjid; run;
- Bdata BASE_BP; set VS (keep=usubjid vsstresn); if vststcd in('DIABP', 'SYSBP'); run;
- Cproc sort data=VS (keep=usubjid vsstresn vststcd) out=BASE_BP (drop=vststcd); by usubjid; if vststcd in('DIABP', 'SYSBP'); run;
- Ddata BASE_BP (keep=usubjid vsstresn vststcd); set VS (drop=vststcd); if vststcd in('DIABP', 'SYSBP'); run;
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