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ecommerce-retention-growth

Churn, LTV segmentation, and win-back ROI on the KKBox/WSDM dataset: calibrated XGBoost (ROC-AUC 0.788 on a fixed-seed 50K-user sample), K-Means LTV segments, retention-budget simulator with synthetic cold-start mode.

Built withPythonchurn-predictioncustomer-segmentationkkboxmachine-learningmkdocs

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