This task-oriented book will guide you step-by-step through the fundamentals of the SAS macro facility. Included are a generous amount of illustrations, examples, and tips. With this book you will handily learn the following: advantages of macro programming, elements of the macro facility (macro variables, macro programs, macro language), how to write a macro program, macro programming techniques, tips on using the macro facility, how the macro facility fits into the SAS System, and interfaces between the macro facility and other components of the SAS System. Beginning macro programmers will learn to write SAS macro programs quickly and efficiently. More experienced macro programmers will find this book useful to refresh their conceptual knowledge andexpand on their macro programming skills. The book assumes some SAS programming experience, including knowledge of how to write a DATA step and how to use SAS procedures. Supports releases 6.09E and higher of SAS software.