Chapter 5. Data Manipulation Part 2: DATA Step and Functions
Introduction
If you learn SAS the traditional way, you start with the DATA step. As you go on to more and more advanced training, you keep coming back to the DATA step and learning more about it. You are unlikely ever to learn or need to know all there is to know about the DATA step.
The DATA step is used for reading data from text files, manipulating data, and even writing reports. It is a complete programming language in its own right, and is even beginning to show signs of object orientation, that most up-to-date of programming trends.
The problem is that SQL is a similarly rich language, and as we have already seen, SAS and SAS Enterprise Guide offer very comprehensive coverage of SQL. ...
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