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  1. olist-growth-analysis-sql olist-growth-analysis-sql Public

    SQL-driven investigation into e-commerce growth plateau using cohort analysis & RFM segmentation. MySQL 8.0+ | Data validation → Business insights

  2. Tableau-USA-Sales-Dashboard Tableau-USA-Sales-Dashboard Public

    Sales and Customer Analytic Dashboard

  3. Kaggle_Give_me_some_credit Kaggle_Give_me_some_credit Public

    Credit Scoring

    Jupyter Notebook

  4. sql-customer-product-analytics sql-customer-product-analytics Public

    SQL analytics on star schema (fact + dim tables). Customer & Product reports with cohort-like segmentation and business logic documentation

  5. cookie-cats-ab-testing cookie-cats-ab-testing Public

    A/B-test analysis (Cookie Cats dataset) beyond the standard tutorial: SRM check, power/MDE analysis, multiple-testing correction, and a segment-level effect most public solutions miss.

    Jupyter Notebook

  6. kaggle_house_prices kaggle_house_prices Public

    Kaggle House Prices — 0.19048 | Top 5% | Feature engineering, stacking, SHAP analysis

    Jupyter Notebook