Roonomics: How Economics Helped Us to Build a Churn Prediction Model
Deliveroo data scientists rebuilt their restaurant churn model to prioritize precision over recall, using rolling‑window cross‑validation, SHAP interpretability, and a ranking‑based output. Offline tests show a >90% drop in flagged restaurants and an 8× precision gain, with an A/B experiment underway to measure impact on actual churn.
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