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Data Mining Using Sas Enterprise Miner 2Nd.pdf
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Data Mining Using Sas Enterprise Miner 2Nd.pdf
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Data Mining Using
SAS
®
Enterprise
Miner
: A Case
Study Approach,
Second Edition
The correct bibliographic citation for this manual is as follows: SAS Institute Inc. 2003. Data Mining Using SAS
®
Enterprise Miner
TM
: A Case Study Approach, Second Edition. Cary, NC: SAS Institute Inc.
Data Mining Using SAS
®
Enterprise Miner
TM
: A Case Study Approach, Second Edition
Copyright © 2003, SAS Institute Inc., Cary, NC, USA
ISBN 1-59047-395-7
All rights reserved. Produced in the United States of America. Your use of this e-book shall be governed by the terms
established by the vendor at the time you acquire this e-book.
U.S. Government Restricted Rights Notice: Use, duplication, or disclosure of this software and related
documentation by the U.S. government is subject to the Agreement with SAS Institute and the restrictions set forth in
FAR 52.227-19, Commercial Computer Software-Restricted Rights (June 1987).
SAS Institute Inc., SAS Campus Drive, Cary, North Carolina 27513.
1st printing, April 2003
SAS Publishing provides a complete selection of books and electronic products to help customers use SAS software
to its fullest potential. For more information about our e-books, e-learning products, CDs, and hard-copy books, visit
the SAS Publishing Web site at support.sas.com/pubs or call 1-800-727-3228.
SAS
®
and all other SAS Institute Inc. product or service names are registered trademarks or trademarks of SAS
Institute Inc. in the USA and other countries. ® indicates USA registration.
Other brand and product names are trademarks of their respective companies.
Contents
Chapter 1 Introduction to SAS Enterprise Miner 1
Starting Enterprise Miner 1
Setting Up the Initial Project and Diagram
2
Identifying the Interface Components
3
Data Mining and SEMMA
4
Accessing SAS Data through SAS Libraries
16
Chapter 2
Predictive Modeling 19
Problem Formulation
20
Creating a Process Flow Diagram
21
Data Preparation and Investigation
34
Fitting and Comparing Candidate Models
58
Generating and Using Scoring Code
72
Generating a Report Using the Reporter Node
80
Chapter 3 Variable Selection 83
Introduction to Variable Selection
83
Using the Variable Selection Node
84
Chapter 4 Clustering Tools 91
Problem Formulation
91
Overview of Clustering Methods
92
Chapter 5 Association Analysis 105
Problem Formulation
105
Chapter 6 Link Analysis 111
Problem Formulation
111
Examining Web Log Data
111
Appendix 1 Recommended Reading 121
Recommended Reading
121
Index 123
1
CHAPTER
1
Introduction to SAS Enterprise
Miner
Starting Enterprise Miner
1
Setting Up the Initial Project and Diagram
2
Identifying the Interface Components
3
Data Mining and SEMMA
4
Definition of Data Mining
4
Overview of the Data 4
Predictive and Descriptive Techniques
5
Overview of SEMMA
5
Overview of the Nodes
6
Sample Nodes 6
Explore Nodes 7
Modify Nodes 9
Model Nodes 11
Assess Nodes 13
Scoring Nodes 14
Utility Nodes 14
Some General Usage Rules for Nodes 15
Accessing SAS Data through SAS Libraries 16
Starting Enterprise Miner
To start Enterprise Miner, start SAS and then type miner on the SAS command bar.
Submit the command by pressing the Return key or by clicking the check mark icon
next to the command bar.
Alternatively, select from the main menu
Solutions Analysis Enterprise Miner
For more information, see Getting Started with SAS Enterprise Miner.
2 Setting Up the Initial Project and Diagram Chapter 1
Setting Up the Initial Project and Diagram
Enterprise Miner organizes data analyses into projects and diagrams. Each project
may have several process flow diagrams, and each diagram may contain several
analyses. Typically each diagram contains an analysis of one data set.
Follow these steps to create a project.
1
From the SAS menu bar, select
File New Project
2
Type a name for the project, such as My Project.
3
Select the
Client/server project
check box if necessary.
Note: You must have the access to a server that runs the same version of
Enterprise Miner. For information about building a client/server project, see
Getting Started with SAS Enterprise Miner or the online Help.
4
4 Modify the location of the project folder by either typing a different location in the
Location field or by clicking Browse .
5 Click Create . The project opens with an initial untitled diagram.
6 Select the diagram title and type a new name, such as My First Flow.
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