You are working on a clinical trial data set in SAS, and you need to create a new variable that captures the number of days since the start of the study. The study start date is available as an automatic variable called `Study_Start_Date`, and each patient's visit date is recorded in a variable called `Visit_Date`. Which of the following code snippets correctly calculates the new variable `Days_Since_Start`?
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?
When implementing define.xml as part of a clinical trial study data submission package, which section is pivotal for explaining algorithmic derivations and handling of special data scenarios to a regulatory reviewer?
A pharmaceutical company is preparing a regulatory submission package for a new drug application (NDA). The data included has to adhere to certain standards for successful submission to the FDA. Which set of standards below is the most relevant for ensuring that clinical trial data is submitted according to the FDA's expectations?
An SAS programmer intends to generate a listing report using SAS 9.4, which should be optimized for Word destination with specific settings to ensure that the output resembles traditional printed documents. This report includes multiple tables that should fit within standard margins when the Word document is printed. Which combination of output delivery system (ODS) statement attributes should the programmer use to meet these requirements?