Free SASInstitute A00-281 Exam Dumps Questions & Answers

Identify the data structure with the following characteristics:
Contains one or more records per subject, per analysis parameter, and per analysis timepoint.
May be derived from findings, events, interventions and special-purpose SDTM domains, or other ADaM datasets.
A record can represent an observed, derived, or imputed value required for analysis.

• A.  Event Level Analysis Data Set (ADAE)
• B.  Basic Data Structure (BDS)
• C.  General Data Structure (GDS)
• D.  Subject Level Analysis Data Set (ADSL)

Which statement assigns the current date to the character variable CURRDT?

• A.  currdt="#sysdate.";
• B.  currdt="sysdate.";
• C.  currdt="%sysdate.";
• D.  currdt="&sysdate.";

A subject reports a medication started in March of 2007 but cannot recall the day number. What is the value stored in the SDTM domain CM.CMSTDTC variable?

• A.  MAR2007
• B.  00MAR2007
• C.  2007 03
• D.  2007-03

This question will ask you to provide lines of missing code.
Given the following SCORE data set:

Variable LOCF contains the imputed score that would replace the missing SCORE value (based
on last observation carried forward method). Which SAS statements complete the program?

• A.  retain score ; if first.subject then LOCF = . ; if score ^= . then LOCF = score ;
• B.  retain LOCF ; if first.subject then LOCF = . ; if score ^= . then LOCF = score ;
• C.  LOCF = lag(score) ; if first.subject then LOCF = . ; if score ^= . then LOCF = score ;
• D.  if first.subject then LOCF = . ; if score = . then LOCF = lag(score) ;

Study day is defined as DCMDATE minus RFSTDTC +1

Which statement will compute the study day correctly without producing notes for missing values in the log?

• A.  If RFSTDTC^='' and length(DCMDATE)=8 then STUDYDAY=input(DCMDATE,yymmdd8.)input(RFSTDTC,date9.)+1;
• B.  If RFSTDTC^='' and length(DCMDATE)=8 then STUDYDAY=input(DCMDATE,date9.)input(RFSTDTC,yymmdd8.)+1;
• C.  STUDYDAY=input(DCMDATE,yymmdd8.)-input(RFSTDTC,date9.)+1;
• D.  STUDYDAY=DCMDATE-RFSTDTC+1;