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skyyyyyy0/README.md

Hi 👋, I'm Haneul Jang

A Data Scientist passionate about turning data into actionable insights

🔭 Current Work

  • Building AIdu, an AI-powered SAT English grammar question generator (NLP + rule-based + T5 fine-tuning)
  • Developing scalable data pipelines and analytics systems using Python, SQL, and AWS

📚 Currently Learning

  • Fine-tuning LLMs (T5, BERT, GPT) for educational NLP tasks
  • Machine Learning model deployment with Streamlit, AWS EC2, and SageMaker
  • Advanced SQL for data analysis and performance optimization

🤝 Let’s Collaborate On

  • Data Science / ML / NLP projects
  • Open source analytics tools and data visualization platforms

💬 Ask Me About

  • Python, SQL, Pandas, Scikit-learn, NLP, Streamlit, Matplotlib, AWS, Data Analysis

📫 Reach Me At

🛠️ Languages & Tools

PythonPandasNumPyScikit-LearnPyTorchTensorFlowMatplotlibMySQLGitAWSReact

📂 Featured Projects

  • 🎓 Every AIdu – AI-powered SAT grammar question generator using rule-based NLP + T5 fine-tuning
  • ⚡️ Surplus Energy Analysis – Data-driven analysis of electricity surplus in NYC and credit refund system design using weather + consumption data
  • 📉 User Retention Dashboard – Built a Python + SQL analytics pipeline for tracking DAU, churn rate, and LTV in an EdTech product

📈 GitHub Stats

Top Languages

🚀 Turning data into knowledge, and knowledge into action.

Pinned Loading

  1. PortfolioPortfolioPublic

    CSS 1

  2. vehicle-can-analysisvehicle-can-analysisPublic

    End-to-end vehicle CAN telemetry analytics with IMU/J1939 ground-truth validation using Python, AWS Athena SQL, and Tableau.

    Python 1