🎄 Data Science Advent Calendar 2025

24 days of Data Science tips, code snippets, and visual insights — one per day, from December 1st to 24th. Each day opens a new mini-tutorial in Python featuring pandas, NumPy, Matplotlib, Seaborn, and general data science best practices.

🧭 What this is

This project is a learning advent calendar built with html. Each “day” contains a short, focused tip — a concept explained with code, examples, and references. It’s designed to be read in small doses: learn something new in under 5 minutes.

Example topics:

🐼 Efficient pandas tricks
📊 Visualization design in matplotlib & seaborn
⚡ Performance tuning & memory management
🧠 Practical data science patterns

📂 Structure


data-science-advent-calendar-2025/
├── docs/
│   ├── index.html               # Main calendar page
│   └── tips/                    # One file per day (day1.html, day2.html, ...)
│   └── img/                     # Images
└── README.md                    # You are here

💡 How to use

Browse each day interactively in your browser.
Copy and run code examples in your own Jupyter notebooks.
Share favorite tips or open pull requests with improvements.
Perfect for short daily learning breaks during December!

🤝 Contributing

Contributions are welcome — new tips, corrections, or layout tweaks! Fork the repository and submit a pull request. To keep consistency:

Write content in English.
Use concise code examples (under 20 lines).
Keep tone friendly, technical, and accurate.

✨ Credits