Chapter 1: Introducing Functions
Functions deliver functionality—this much is clear. But what makes a function a function? How do functions differ from other code and software components? And most importantly, why should SAS practitioners learn to build our own (that is, user-defined) functions? These and other questions are explored and answered in the following chapters as functions are introduced, including their purpose, value, syntax, construction, and implementation. You will learn how to build functions using the SAS Function Compiler procedure (PROC FCMP), and how to integrate user-defined functions into SAS programs to improve software quality.
Functions are the simple syrup of software, and for those who have never bartended, allow ...
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