Data Science Tutorials

Learn how to use Git hooks to automate tasks, enforce code standards, and secure your workflow with pre-commit, pre-push, and server-side hooks.

Learn how to use Gemini 2.5 Computer Use to build an AI-powered job search agent. This hands-on tutorial walks you through browser automation with Playwright and Streamlit, no APIs required.

Learn how to use OpenAI AgentKit to automate GitHub issue reviews with AI agents that classify, detect duplicates, and summarize reports.

This guide shows how to unhide rows in Excel using shortcuts, menu options, and VBA. You’ll also learn tips to troubleshoot common problems and keep your data visible and easy to work with.

Learn the mathematical foundations, parameter estimation techniques, and diverse applications of this probability distribution across engineering, medicine, and environmental sciences.

Count in Python fast, validate data, and avoid common mistakes with Counter, count(), and pandas

Learn the mathematical foundations of z-scores, explore practical calculation methods, and discover applications across statistics and data science.

Learn how to calculate and interpret the likelihood of multiple events occurring simultaneously. Discover practical applications in predictive modeling, risk assessment, and machine learning that solve complex data science challenges.

A practical guide to GPT-5 function calling: from JSON-schema functions to free-form tools, Lark/CFG constraints, preambles, and tool allowlists.

Learn how denormalization boosts read performance by reducing joins and simplifying queries. Understand the trade-offs, techniques, and use cases that make it a powerful tool for analytics and reporting systems.

Discover how to unlock Excel's Developer tab, explore its core components, and apply macros, controls, and XML tools to automate workflows and enhance productivity.

Learn about DeepSeek-V3.2-Exp, its new sparse attention mechanism, how it reduces API costs and improves long-context handling, and how to use it in your own projects.