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The data set CM has eight variables including CMTRT and is sorted by STUDYID USUBJID CMSEQ.
DATA_BB is created by selecting records from CM where the character string "BLOCKER" is included in CMTRT.




Which program was used to produce WORK.DATA_BB?

 
data data_bb;
set cm (where=(find(cmtrt,'BLOCKER','i')>0));
by usubjid CMSTDTC;
run;

 
data data_bb;
set cm (keep=usubjid cmstdtc cmtrt);
by usubjid CMSTDTC;
where cmtrt in('BLOCKER');
run;

proc sort data=CM (keep=usubjid cmstdtc cmtrt) out=data_bb;
by usubjid CMSTDTC;
where cmtrt contains 'BLOCKER';
run;

proc sort data=cm out=data_bb (keep=usubjid cmstdtc cmtrt);
by usubjid CMSTDTC;
where cmtrt in('BLOCKER');
run;