先試後買

A. do i=1 to 2;
do j=1 to 2;
visit=i;
date=dat{j};
result=num{j};
end;
output;
end;

B. do i=1 to 2;
visit=i;
date=dat{i};
result=num{i};
end;
output;

C. do i=1 to 2;
visit=i;
date=dat{i};
result=num{i};
output;
end;

D. do i=1 to 2;
do j=1 to 2;
visit=i;
date=dat{j};
result=num{j};
output;
end;

A. the date value 01011960

B. the character value "01Jan1960"

C. the numeric value 0

D. the code contains a syntax error and does not execute.

A. %printlib(DB, )

B. %printlib(lib=DB, rec= )

C. %printlib(DB, all)

D. %printlib(lib=DB, rec=all)

A. 157

B. 152

C. 151

D. missing

A. WORK.HIGHBP has 2 observations WORK.NORMBP has 2 observations WORK.INVESTBP has 3 observations

B. WORK.HIGHBP has 1 observation WORK.NORMBP has 1 observation WORK.INVESTBP has 2 observations

C. WORK.HIGHBP has 1 observation WORK.NORMBP has 1 observation WORK.INVESTBP has 3 observations

D. WORK.HIGHBP has 1 observation WORK.NORMBP has 1 observation WORK.INVESTBP has 4 observations

A. AESTARTDTC

B. _AESTDTC

C. AE-STDTC

D. AE_START_DTC

A. can be used to generate the CDISC ODM

B. enables the statistical analysis of the data

C. enables the tabulation of the raw source data

D. enables the creation of study patient profiles

A. safety

B. per protocol

C. intent to treat

D. efficacy

A. TABLES site*group /nocol;

B. TABLES site*group /norow;

C. TABLES site*group /nocol norow; TABLES site*group /nocol norow;

D. TABLES site*group;