E-Commerce Growth Analytics
Modeled GA4 event data into a dbt star schema in BigQuery under 37 tests. Trained a gradient boosting churn model at 0.784 AUC with SHAP attribution. Sized $83K monthly revenue at risk through cohort retention and RFM segmentation. Designed a powered A/B test and measured a layout change worth $24K per month using difference-in-differences.