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A00-280 · Question #44

A00-280 Question #44: Real Exam Question with Answer & Explanation

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Question

A Statistical Analysis Plan defines study day as the number of days between the visit date and the date of randomization plus one day. The following SAS program is submitted using a macro from the project's library: data VS_SD ; set VS ; label rdt = "Randomization Date" ; label vdt = "Visit Date" ; VSDY = %studyday(rdt,vdt) ; run ; How is the STUDYDAY macro defined?

Options

  • A%MACRO studyday(rand, visit); %vdt.?rdt. + 1 %MEND studyday;
  • B%MACRO studyday(rand=, visit=); %vdt. - %rdt. + 1 %MEND studyday;
  • C%MACRO studyday(rand, visit); &visit. - &rand. + 1 %MEND studyday;
  • D%MACRO studyday(visit=, rand=); &visit. - &rand. + 1 %MEND studyday;

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