[...] An interactive procedure remains active after submitting a series of statements. In Base SAS, interactive procedures include the DATASETS and SQL procedures. In SAS/STAT software, the ANOVA, GLM, and REG procedures are examples of interactive procedures. PROC IML is also an interactive procedure. For most interactive procedures, you execute statements by submitting a RUN statement. PROC IML is unusual in that you do not need a RUN statement in order to execute SAS/IML statements. …