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Learning Apache Spark 2

You're reading from   Learning Apache Spark 2 A beginner's guide to real-time Big Data processing using the Apache Spark framework

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Product type Paperback
Published in Mar 2017
Publisher Packt
ISBN-13 9781785885136
Length 356 pages
Edition 1st Edition
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Author (1):
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 Abbasi Abbasi
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Abbasi
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Table of Contents (18) Chapters Close

Learning Apache Spark 2
Credits
About the Author
About the Reviewers
www.packtpub.com
Customer Feedback
Preface
1. Architecture and Installation FREE CHAPTER 2. Transformations and Actions with Spark RDDs 3. ETL with Spark 4. Spark SQL 5. Spark Streaming 6. Machine Learning with Spark 7. GraphX 8. Operating in Clustered Mode 9. Building a Recommendation System 10. Customer Churn Prediction 1. Theres More with Spark

Overview of customer churn


I have spent almost 15 years in the telecom and financial industry with some of the major telecom and financial customers, and if there is one business case that makes the business worried it is Customer Churn. So what is customer churn?

According to Wikipedia, Customer attrition, also known as customer churn, customer turnover, or customer defection, is the loss of clients or customers (http://bit.ly/2kfTHXF).

Customer churn is such a nightmarish problem for major vendors because:

  • Churn affects your customer base and hence profitability and baseline
  • Churn impacts your overall business image
  • Churn hurts your company's goodwill and market sentiment
  • Churn hurts your total addressable market
  • Churn gives your competitors a psychological and economic advantage
  • Churn affects your overall employee morale

Figure 10.1: Customer churn via http://bit.ly/2iUScln

While you can never reduce the churn rate to zero, you essentially want to:

  • Identify who is most likely to churn
  • Identify...
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