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Introduction

Typographical Conventions

This book uses several type styles for presenting information. The following list explains the meaning of the typographical conventions used in this book:

roman
is the standard type style used for most text.

UPPERCASE ROMAN
is used for SAS statements, options, and other SAS language elements when they appear in the text. However, you can enter these elements in your own SAS programs in lowercase, uppercase, or a mixture of the two.

UPPERCASE BOLD
is used in the "Syntax" sections' initial lists of SAS statements and options.

oblique
is used for user-supplied values for options in the syntax definitions. In the text, these values are written in italic.

helvetica
is used for the names of variables and data sets when they appear in the text.

bold
is used to refer to matrices and vectors.

italic
is used for terms that are defined in the text, for emphasis, and for references to publications.

monospace
is used for example code. In most cases, this book uses lowercase type for SAS code.

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Copyright © 1999 by SAS Institute Inc., Cary, NC, USA. All rights reserved.