Chapter 7: An Introduction to SAS Programming

SAS as a Programming Language

This section of the book is dedicated to teaching you how to write your own programs in SAS. Perhaps you have some programming experience with other languages, such as C+, Python, or Java. This is both an advantage and a possible disadvantage. The advantage is that you understand how to think logically and use conditional logic, such as IF-THEN-ELSE statements and DO loops. On the other hand, SAS is somewhat unique in the way it reads and processes data, so you need to “re-wire” your brain and start to think like a SAS programmer.

SAS programs consist of DATA steps, where you read, write, and manipulate data and PROC (short for procedure) steps, where you use built-in ...

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