Telecom
Millions of subscribers, billions of events, and one question: who is about to leave?
KPIs we usually build
- Churn rate and churn drivers
- ARPU by plan and segment
- Network quality and complaint trends
- Data and voice usage
- Campaign uplift
Typical challenges
- Very large usage tables
- Slowly changing plan and customer attributes
- Matching network data with customer data
Practise on the free telecom dataset.