Chapter 1: Introduction
Since I began writing code in 1973 to make computers do what I wanted them to do, instead of what they wanted to do, I have always worked as an application programmer. That means that I used someone’s software to build a tool to do something. When I upgrade my software the tools I have already written still need to work, because not every computer is upgraded at the same time and new features need to be available to everyone.
While Base SAS and other features of SAS software make SAS an important and useful software suite, many people ...