Customer churn is the loss of a customer relationship. For a business trying to retain customers, identifying people at high risk of churning can help target interventions before they leave. section 3.5
Bike retailer pre-sales opportunity
A bike retailer wants to retain customers and increase their spending rather than invest in acquiring new ones. A proposed application would use customer data to identify churn risk and suggest interventions. Before committing to delivery, record insufficient customer behavior history as a project risk: past data cleansing may have left too little history. section 3.5



