Book Image

IBM SPSS Modeler Cookbook

Book Image

IBM SPSS Modeler Cookbook

Overview of this book

IBM SPSS Modeler is a data mining workbench that enables you to explore data, identify important relationships that you can leverage, and build predictive models quickly allowing your organization to base its decisions on hard data not hunches or guesswork. IBM SPSS Modeler Cookbook takes you beyond the basics and shares the tips, the timesavers, and the workarounds that experts use to increase productivity and extract maximum value from data. The authors of this book are among the very best of these exponents, gurus who, in their brilliant and imaginative use of the tool, have pushed back the boundaries of applied analytics. By reading this book, you are learning from practitioners who have helped define the state of the art. Follow the industry standard data mining process, gaining new skills at each stage, from loading data to integrating results into everyday business practices. Get a handle on the most efficient ways of extracting data from your own sources, preparing it for exploration and modeling. Master the best methods for building models that will perform well in the workplace. Go beyond the basics and get the full power of your data mining workbench with this practical guide.
Table of Contents (17 chapters)
IBM SPSS Modeler Cookbook
Credits
Foreword
About the Authors
About the Reviewers
www.PacktPub.com
Preface
Index

Using KNN to match similar cases


K-Nearest Neighbors (KNN) is found in the Classification tab of the Modeling palette, but it is actually two different applications in one node. Methodologically they are similar, but different in their application. In addition to classification, the KNN Modeling node can be used to calculate differences and find those cases in a Deployment data set that have the smallest distances. Online dating services use this approach. Men can be scored to find women that they resemble, and women can be scored to find men that they resemble. In the case of a dating service, the answers to survey questions define similarity.

In this recipe, we will focus on patterns of purchase. The goal will be to have online sales reps assigned to assist customers via online support chat to be those reps with the most experience in those products lines that the customer has shown interest in. The whole idea of the Cookbook is to introduce non-obvious applications of techniques; at first...