Data Science Tutorials

Learn how polynomial approximations power gradient descent, XGBoost, and the functions your computer calculates every day.

Learn how to use Qwen 3.5 small models locally through Ollama to turn a short gameplay clip into a playable HTML game.

Spin up a no-cost BigQuery environment, practice real-world SQL on public and private data, and build dashboards while staying within generous free-tier limits.

Discover how Google's newest specialized reasoning model can accelerate your data science workflows, interpret complex datasets, and write robust code.

Break your AI coding agent out of its sandbox. Discover how to use Codex CLI and MCP to connect LLMs to live data, external tools, and multi-agent workflows.

Learn how Cursor rules guide AI coding, from defining project-level context and file-matching patterns to maintaining accurate, up-to-date rules over time.

The Laplacian operator is one of the most widely used mathematical tools in modern machine learning. It’s behind spectral clustering, manifold learning, image edge detection, and graph-based algorithms.

Learn what the Universal Commerce Protocol is, how it works, and how to build your first UCP server step by step.

Learn how correlated subqueries do row-by-row comparisons in SQL. Discover use cases and how they differ from JOINs, window functions, or non-correlated queries.

Learn how to fine-tune Qwen3.5-0.8B with QLoRA using a lightweight setup that delivers a strong boost in news classification performance.

Explore simple formulas, modern Excel functions, and newer AI tools to count words in Excel.

Learn Claude Code best practices from production teams. Use plan mode, CLAUDE.md files, and test-driven development to make the most of Claude's context window.