CHAPTER 1
The Basics of Efficient SAS Coding
Coding efficiency is generally measured in CPU time, disk space, or memory usage. This is perfectly reasonable for SAS code that will be submitted many more times than it will be updated. However, there are coding environments where SAS programs are written for single production runs and then adapted and updated for different production runs—for example, in clinical development. In these cases, a measurement of maintenance time may be more important.
SAS programs like those used in clinical trials are unlikely to be used to process large amounts of data, but they are very likely to be updated and adapted ...
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