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1. OULAD-EdTech-Learning-Analytics OULAD-EdTech-Learning-Analytics Public

   Building an end-to-end EdTech Learning Analytics system on PostgreSQL using 10.6M+ OULAD student interaction records. SQL-first data engineering: Source → RAW → STAGING → Analytics → Power BI, with…

   Jupyter Notebook

2. uk-nonstore-retail-analytics uk-nonstore-retail-analytics Public

   End-to-end data analysis of a UK non-store retailer (£10.64M revenue, 4,338 customers). Uncovers bulk-purchasing patterns, RFM customer segmentation, and a critical dual-concentration risk (84.6% U…

   Jupyter Notebook

3. churn-prediction-statistical-optimization churn-prediction-statistical-optimization Public

   Predicting bank customer churn using rigorous hybrid variable selection, reducing features from 17 to 3 with 99.85% accuracy

   Jupyter Notebook

4. smart-retail-analytics-pipeline smart-retail-analytics-pipeline Public

   End-to-end, containerized ETL pipeline transforming raw retail data into a Star Schema using Apache Spark, PostgreSQL, and Apache Airflow. Features comprehensive engineering documentation and 100% …

   Python

5. smart-invoice-processor smart-invoice-processor Public

   Python

6. divvy-chicago-bikeshare-analytics divvy-chicago-bikeshare-analytics Public

   Report on Cyclistic bike-share user behavior

   Jupyter Notebook