In a clinical trial, the variable 'TreatmentGroup' indicates whether a patient received the experimental drug (coded as 'Drug') or the placebo (coded as 'Placebo'). You have been tasked with reporting the frequency and percentage of patients in each treatment group. Which SAS procedure would allow you to obtain these specific statistics for categorical data?
A pharmaceutical company is preparing submission materials for a new drug application. One of the key documents required by regulatory authorities is define.xml. Which of the following best describes the purpose of the define.xml file?
During a clinical trial data analysis, you intend to use a SAS automatic variable that contains the current date whenever the SAS code is executed. This will be utilized to flag all records from the clinical trial data set that have been captured after a certain cutoff date. Which of the following SAS automatic variables should be used to get the current date in a data step?
During the execution of a SAS program, the programmer wants not only to display each step generated by macro execution but also to show the values of macro variables at execution time. Which combination of system options should the programmer use?