Time-aware lead scoring pipeline with leakage-safe event features and CatBoost.
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Updated
Jul 20, 2026 - Jupyter Notebook
Time-aware lead scoring pipeline with leakage-safe event features and CatBoost.
A case study in temporal data leakage: deliberately builds a 99 %-accurate but useless leaky model, then rebuilds it as a leakage-safe, time-aware ML pipeline with honest cross-validation and a Streamlit deployment.
End-to-end churn prediction project using the KKBox dataset
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