Data Science Notes & Projects

Python, SQL, analytics, and financial modeling notes.

I currently work in the parking industry as a business, data, and systems engineer — analyzing operations data, writing performance reports for leadership, and maintaining the company's internal Kintone apps.

Projects

🚗 MyTesla

Live cost dashboard for a 2024 Tesla Model 3 Highland — total cost, cost per km, charging spend by provider, and monthly trend.

💰 MyLife

Personal daily expense dashboard — monthly spending, recent transactions, and category breakdown.

Skills

Languages
Python · SQL · JavaScript · HTML / CSS
Data
Pandas · NumPy · Excel · PowerBI
ML & Stats
scikit-learn · SciPy · Hypothesis testing · A/B testing
Visualization
Matplotlib · Seaborn · Chart.js
Tools
Git · Flask · Jinja

Recent Posts

RFM Analysis Notebook

Statistics Notebook

NumPy Notebook

Machine Learning Notebook

Visualization Selection Guide