Data Analyst OS is an Obsidian workspace for aspiring data analysts who want one organized system for learning, practicing, and building portfolio-ready skills.
It includes learning and practice hubs for Excel, SQL, Python, Pandas, and Power BI, hands-on challenges, cheat sheets, reusable templates, progress tracking, and a guided retail sales analysis project.
Built around one workflow: Learn → Practice → Analyze → Build → Get Hired.