Portfolio of data analytics projects using Python and SQL to support business decisions.
End-to-end financial analytics and revenue forecasting project using Olist Brazilian e-commerce data. Includes churn analysis, profitability insights, and interactive Streamlit dashboard.
SQL and Python project for vendor sales, purchase, freight, and inventory analysis using SQLite
Food delivery operations analysis with bottleneck detection, efficiency modeling, and performance optimization.
ata-driven customer intelligence project focused on segmentation, behavioral analytics, and actionable business insights using clustering and exploratory data analysis.
Enterprise-grade Superstore Analytics Dashboard built with Python, Streamlit, and SQL. Features interactive BI visualizations, RFM customer segmentation, price elasticity modeling, ROI simulation, and sales forecasting with Holt-Winters algorithm. Includes comprehensive testing suite and production-ready error handling.
100+ SQL problems on Subqueries & Window Functions to master Data Analyst interview concepts.
Análisis estratégico de la base de datos Sakila mediante SQL y Python. Incluye limpieza de datos, extracción vía Web Scraping/APIs y optimización de consultas avanzadas para la toma de decisiones.
Melbourne house price prediction using CRISP-DM, Python, Scikit-learn, Ridge Regression and XGBoost | 13,580 records | R² 0.815
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