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IBM SPSS Modeler Essentials

You're reading from  IBM SPSS Modeler Essentials

Product type Book
Published in Dec 2017
Publisher Packt
ISBN-13 9781788291118
Pages 238 pages
Edition 1st Edition
Languages
Authors (2):
Jesus Salcedo Jesus Salcedo
Profile icon Jesus Salcedo
Keith McCormick Keith McCormick
Profile icon Keith McCormick
View More author details

Relationships between categorical fields


The most common technique for describing categorical data is to create a summary table or graph indicating the number and percentage of cases falling into each category of a variable. In this section, we will discuss two nodes, the Distribution and Matrix nodes, that allow us to investigate the distribution of and relationships between categorical variables.

Distribution node

The Distribution node allows you to visually assess the distribution of a categorical field so that you can see the frequency and percentage of each category. This node also allows you to see the relationship between two categorical fields. Let's go through an example of how to use the Distribution node:

  1. Open the Relationship stream.
  2. Place a Distribution node from the Graphs palette onto the canvas.
  3. Connect the Type node to the Distribution node.
  4. Edit the Distribution node.

To see the distribution of a categorical field, place a field in the Field drop-down list:

  1. Click the Field drop...
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