acquisitionRetention    Acquisition-Retention Data from Chapter 5
customerAcquisition     Customer Acquisition Data from Chapter 3
customerChurn           Customer Churn Data from Chapter 6
customerRetentionDemographics
                        Demographics Data for Customer Retention
                        (Chapter 4)
customerRetentionLifetimeDuration
                        Lifetime Duration Data for Customer Retention
                        (Chapter 4)
customerRetentionTransactions
                        Transactions Data for Customer Retention
                        (Chapter 4)
customerWinBack         Customer Win-Back from Chapter 7
