SAS 9.1 Language Reference Concepts
Original Publication Date: 2004-Dec-31
Included in the Prior Art Database: 2015-Sep-17
SAS Institute Inc.
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Language Reference: Concepts
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The correct bibliographic citation for this manual is as follows: SAS Institute Inc. 2004. SAS ® 9.1 Language Reference: Concepts. Cary, NC: SAS Institute Inc.
SAS® 9.1 Language Reference: Concepts
Copyright © 2004 by SAS Institute Inc., Cary, NC, USA
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1st printing, January 2004
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4 Essential Concepts of Base SAS Software 3
What Is SAS? 3
Overview of Base SAS Software 4
Components of the SAS Language 4
Ways to Run Your SAS Session 7
Customizing Your SAS Session 9
Conceptual Information about Base SAS Software 10
4 SAS Processing 11
Definition of SAS Processing 11
Types of Input to a SAS Program 12 The DATA Step 13
The PROC Step 14
4 Rules for Words and Names in the SAS Language 15 Words in the SAS Language 15
Names in the SAS Language 18
4 SAS Language Elements 23
What Are the SAS Language Elements? 25 Data Set Options 25
Formats and Informats 27
Functions and CALL Routines 38
ARM Macros 55
SAS System Options 71
4 SAS Variables 77
Definition of SAS Variables 78
SAS Variable Attributes 78
Ways to Create Variables 80
Variable Type Conversions 84
Aligning Variable Values 85
Automatic Variables 85
SAS Variable Lists 86
Dropping, Keeping, and Renaming Variables 88 Numeric Precision in SAS Software 90
4 Missing Values 101
Definition of Missing Values 101
P A R T 1 SAS System Concepts 1
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Special Missing Values 102
Order of Missing Values 103
When Variable Values Are Automatically Set to Missing by SAS 104 When Missing Values Are Generated by SAS 105
Working with Missing Values 107
4 Expressions 109
Definitions for SAS Exp...