Data Science Tutorials

Learn how knowledge graphs solve the limitations of traditional RAG systems.

Learn how to use GPT-5.2 to turn any CSV into an Excel workbook and a citation-grounded PowerPoint deck inside a Streamlit app.

Learn to extract textual data from documents and images using Mistral's latest and most capable OCR model, Mistral OCR 3.

Learn how to connect tables, write DAX formulas, and build interactive reports inside Excel.

A practical guide to using SUMPRODUCT() for conditional, weighted, and matrix-based calculations in Excel

Learn how to read, write, format, and automate Google Sheets using the API, with practical examples.

Build a data engineering MVP with GPT-5.2 Codex. A step-by-step VSCode tutorial covering agentic coding, Python, DuckDB, and Streamlit workflows.

Learn to install, configure, and use the new GitHub Copilot CLI agent. Master Ask, Edit, and Agent modes to automate workflows directly from your terminal.

Master Python shebangs to build executable scripts, maintain environment portability, and apply industry-standard best practices.

Learn what circular references are, why they cause problems, and how to fix them using simple and advanced techniques.

Learn how to build a citation-grounded Streamlit document Q&A assistant with Nemotron 3 Nano, using lightweight keyword retrieval and either local Ollama runs or Ollama Cloud inference.

Cut through the hype. Learn to interpret LLM benchmarks, navigate open leaderboards, and run your own evaluations to find the best AI models for your needs.