Data Science Tutorials

Learn feature engineering with this hands-on guide. Explore techniques like encoding, scaling, and handling missing values in Python.

Learn how the NPER() function in Excel calculates the number of periods required to pay off a loan or reach an investment goal. Discover its syntax, use cases, and practical examples.

Learn how to use Git rebase to keep your commit history clean and improve collaboration. This guide covers step-by-step instructions, best practices, and common pitfalls to avoid when rebasing branches in Git.

Learn how forward propagation works in neural networks, from mathematical foundations to practical implementation in Python. Master this essential deep learning concept with code examples and visualizations.

Learn how to copy files to and from S3 using the aws s3 cp command. Explore everything from basic transfers and recursive copying to automation scripts and troubleshooting common errors—all with practical, real-world examples.

Learn how to set up a Git repository with git init, connect to a remote, configure settings, and troubleshoot common issues—all in one beginner-friendly guide.

This tutorial walks you through everything from creating your first topic to implementing advanced features like message filtering and dead letter queues, complete with step-by-step instructions and practical code examples.

Learn how to build an MCP server using Anthropic's Model Context Protocol to connect Claude with GitHub and Notion.

Learn how to install, set up, and run Gemma 3 locally with Ollama and build a simple file assistant on your own device.

Transpose data in Excel using Paste Special, the TRANSPOSE() function, or Power Query. Learn how to switch rows to columns, columns to rows, and entire tables.

Learn how to build intelligent AI applications with OpenAI's Agents SDK. This comprehensive guide covers creating agents, implementing tools, structured outputs, and coordinating multiple agents.

This practical guide walks you through setting up, managing, and optimizing Amazon Aurora, with insights on performance tuning, security, and cost management.