This section briefly reviews basic concepts about SAS files, specifically those that are stored under OS/2. For additional information about SAS files, see SAS Language Reference: Concepts. What Is a ...

The SAS file walks through data analysis for a demonstration dataset using three SAS macros: %DSTMAC (Fenchel, McPhail, and VanDyke 2011), %UNI_CAT (Liu et al. 2019), and %ggBaseline (Gu et al. 2018).

A SAS program consists of a sequence of steps. Each step in the program performs a specific task. There are two kinds of steps in SAS programs: DATA steps and PROC or procedure steps. A SAS program ...