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Practical Predictive Analytics

You're reading from   Practical Predictive Analytics Analyse current and historical data to predict future trends using R, Spark, and more

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Product type Paperback
Published in Jun 2017
Publisher Packt
ISBN-13 9781785886188
Length 576 pages
Edition 1st Edition
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Author (1):
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Ralph Winters Ralph Winters
Author Profile Icon Ralph Winters
Ralph Winters
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Toc

Table of Contents (13) Chapters Close

Preface 1. Getting Started with Predictive Analytics FREE CHAPTER 2. The Modeling Process 3. Inputting and Exploring Data 4. Introduction to Regression Algorithms 5. Introduction to Decision Trees, Clustering, and SVM 6. Using Survival Analysis to Predict and Analyze Customer Churn 7. Using Market Basket Analysis as a Recommender Engine 8. Exploring Health Care Enrollment Data as a Time Series 9. Introduction to Spark Using R 10. Exploring Large Datasets Using Spark 11. Spark Machine Learning - Regression and Cluster Models 12. Spark Models – Rule-Based Learning

Summarizing the metrics


Running a summary on the rules_clust object indicates an average support of 0.05, and average confidence of 0.43.

This demonstrates that using clustering can be a viable way to develop association rules, and reduce resources and the number of dimensions at the same time:

    support          confidence           lift     
 Min.   :0.02044   Min.   :0.09985   Min.   :0.989 
 1st Qu.:0.02664   1st Qu.:0.19816   1st Qu.:1.006 
 Median :0.03066   Median :0.27143   Median :1.526 
 Mean   :0.05040   Mean   :0.43040   Mean   :1.608 
 3rd Qu.:0.04234   3rd Qu.:0.81954   3rd Qu.:1.891 
 Max.   :0.17080   Max.   :1.00000   Max.   :3.022 
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