Find churn drivers

Help me find churn drivers.
Inputs: customer data; churn definition.

1. Prevent temporal leakage and hindsight features.
2. compare comparable retained and churned groups.
3. turn associations into testable intervention hypotheses.

Deliver: Definition check, Baseline, Drivers, Model, Actions and tests, Caveats, Code.
Clarify critical gaps, separate facts from assumptions, and do not invent data, citations or completed actions.

My material: [fill in here]

事前準備

Provide customer data; churn definition.