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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 and to refer to commands.

italic

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

bold monospace

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

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