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You're reading from  IBM SPSS Modeler Essentials

Product typeBook
Published inDec 2017
PublisherPackt
ISBN-139781788291118
Edition1st Edition
Tools
IBM SPSS
Concepts
Predictive Analytics
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Authors (2):
Jesus Salcedo
Jesus Salcedo
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Jesus Salcedo

Jesus Salcedo has a PhD in psychometrics from Fordham University. He is an independent statistical consultant and has been using SPSS products for over 20 years. He is a former SPSS Curriculum Team Lead and Senior Education Specialist who has written numerous SPSS training courses and trained thousands of users.
Read more about Jesus Salcedo

Keith McCormick
Keith McCormick
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Keith McCormick

Keith McCormick is a career long practitioner of predictive analytics and data science. He has engaged in statistical modeling, data mining, and mentoring others in the area for more than 20 years. He has a particular expertise in helping organizations perform their first predictive analytics project or build their first predictive analytics practice, and has done so in a variety of industries including healthcare, banking, telecommunications, non-profit, direct mail, pharmaceuticals, and retail. Keith is also an established author and speaker with four books in print, or under contract. Although his consulting work is not restricted to any one tool, his writing and speaking has made him particularly well known in the IBM SPSS Statistics and IBM SPSS Modeler communities.
Read more about Keith McCormick

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Relationships between categorical and continuous fields

When working with categorical variables, frequency tables and graphs containing counts and percentages are appropriate summaries. For continuous variables, because there are typically so many unique values, that counts and percentages can quickly become less useful and unwieldy, so traditionally we turn to the mean as the summary statistic of choice, since it provides a single measure of central tendency. In this section, we will discuss two nodes, the Histogram and Means nodes, that allow you to investigate the distribution and relationships of continuous and categorical variables.

Histogram node

The Histogram node shows the distribution of values for continuous fields. To use the Histogram node:

  1. Place a Histogram node on the canvas.
  2. Connect the Type node to the Histogram node.
  3. Edit the Histogram node.

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

  1. Click the Field drop-down arrow.
  2. Select the field...
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IBM SPSS Modeler Essentials
Published in: Dec 2017Publisher: PacktISBN-13: 9781788291118
© 2017 Packt Publishing Limited All Rights Reserved

Authors (2)

author image
Jesus Salcedo

Jesus Salcedo has a PhD in psychometrics from Fordham University. He is an independent statistical consultant and has been using SPSS products for over 20 years. He is a former SPSS Curriculum Team Lead and Senior Education Specialist who has written numerous SPSS training courses and trained thousands of users.
Read more about Jesus Salcedo

author image
Keith McCormick

Keith McCormick is a career long practitioner of predictive analytics and data science. He has engaged in statistical modeling, data mining, and mentoring others in the area for more than 20 years. He has a particular expertise in helping organizations perform their first predictive analytics project or build their first predictive analytics practice, and has done so in a variety of industries including healthcare, banking, telecommunications, non-profit, direct mail, pharmaceuticals, and retail. Keith is also an established author and speaker with four books in print, or under contract. Although his consulting work is not restricted to any one tool, his writing and speaking has made him particularly well known in the IBM SPSS Statistics and IBM SPSS Modeler communities.
Read more about Keith McCormick

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