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1. ecommerce-funnel-retention-analysis ecommerce-funnel-retention-analysis Public

   Funnel, cohort retention and RFM segmentation analysis of 300K e-commerce events using MySQL, Python and Power BI

   Python

2. nyc-congestion-pricing-did nyc-congestion-pricing-did Public

   DiD analysis of NYC congestion pricing using 61 million taxi trips

   Jupyter Notebook

3. langgraph-data-agent langgraph-data-agent Public

   Multi-agent data assistant built with LangGraph that routes plain-English questions to a SQL agent or an ETL agent

   Python

4. nyc-collision-data-eda nyc-collision-data-eda Public

   Exploratory data analysis of 238,421 NYC traffic collisions (Jan 2021 - Apr 2023): when, where and why crashes happen and who gets hurt.

   Jupyter Notebook

5. customer-segmentation-rfm-analysis customer-segmentation-rfm-analysis Public

   RFM customer segmentation for an Australian bike retailer . Python, pandas and Tableau. Segments 3,490 customers into 11 groups from four raw tables.

   Jupyter Notebook

6. medicare-fraud-detection medicare-fraud-detection Public

   Ranking Medicare providers by fraud risk: a 6M provider-year panel from CMS Part B joined to OIG exclusions, modelled for precision at the top of an investigator worklist.

   TypeScript