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1. Retail-Data-Engineering-EndToEnd Retail-Data-Engineering-EndToEnd Public

   End-to-End Retail BI Solution: Automated ETL pipeline transforming raw transaction data into a Star Schema Data Warehouse using SQL Server, Python, and SCD Type 2 logic.

   Python

2. E-commerce-Customer-Behavior-Analysis E-commerce-Customer-Behavior-Analysis Public

   E-commerce customer behavior analysis using Python (OOP). Features a full data pipeline: cleaning, filtering, and professional EDA visualizations.

   Python

3. Hybrid-Portfolio-Optimization-GA Hybrid-Portfolio-Optimization-GA Public

   A hybrid model that uses 5 financial indicators for stock selection and ranking (via Clustering & TOPSIS), and then optimizes the portfolio using a Mean-Variance-Skewness (MVS) framework through a …

   MATLAB

4. fmcg-distribution-erp-selection-framework fmcg-distribution-erp-selection-framework Public

   A 7‑layer ERP selection framework developed 13 years ago through field research in 80 FMCG distribution companies. Built from interviews with senior managers across Finance, HR, Sales, Logistics, P…

5. Production-Tool-Life-Analysis- Production-Tool-Life-Analysis- Public

   Industrial tool life (Standzeit) optimization. Statistical comparison of 4 production variants using non-parametric Kruskal-Wallis and Post-hoc tests in R.

   R

6. SpecialtyCafe-CRM-Database SpecialtyCafe-CRM-Database Public

   Premium CRM & SQL Database implementation for a specialty café, featuring automated inventory, dynamic loyalty programs, and employee KPI tracking.

   TSQL