I'm a data analyst and machine learning engineer who enjoys turning messy real-world data into clean insights and working models. I operate across the full analytics stack — from SQL and Power BI dashboards to scikit-learn pipelines and deep learning systems for medical imaging.
- 🔭 Building end-to-end data science projects across multiple domains
- 🌱 Expanding into deep learning and computer vision
- 💡 Interests: Predictive Modelling · Medical AI · Business Intelligence
- 📫 Reach me at abtahichowdhury2000@gmail.com
Languages & Platforms
ML / Data Science
| Project | Description | Stack |
|---|---|---|
| 🩺 Healthcare RCM Data Operations | Traced 282 of 6,612 encounters (4.26%) missing from a billing database to an import filter; debugged Medicare payment gaps; Retool dashboard | Python · PostgreSQL · Retool |
| 🛒 Olist E-Commerce Analytics | End-to-end PostgreSQL + Power BI pipeline on 100K+ orders — sales, delivery & seller KPIs | SQL · Python · Power BI |
| 🏠 NYC Airbnb Analysis | Full SQL → Python → Power BI pipeline on NYC short-term rental market | SQL · Python · Power BI |
| 🚗 Vehicle Fuel Consumption Prediction | 3-class ML classifier on EPA fuel data — 97.9% test accuracy (KNN) | Python · scikit-learn |
| 🏥 Breast Ultrasound Segmentation | Multi-task U-Net for simultaneous tumour segmentation + malignancy classification | Python · TensorFlow · U-Net |
| 🎮 Velocity Run | 3D endless parkour runner — PyOpenGL, dynamic obstacles, gem collection, increasing speed | Python · PyOpenGL |