Tidy Data and Data Cleaning in Google Sheets

Messy spreadsheets with merged cells, inconsistent rows, and mixed data types make accurate analysis nearly impossible. Organizing your data correctly from the start saves hours of manual cleanup and prevents formula errors. This course teaches you how to apply tidy data principles directly within Google Sheets, transforming chaotic spreadsheets into clean, standardized datasets. Throughout this written guide, you will learn to: Understand the core principles of tidy data and how they apply to spreadsheet design; Clean messy datasets by removing duplicates, handling missing values, and fixing formatting errors; Apply modern Google Sheets formulas, including LET and advanced text functions, for efficient data transformation; Restructure untidy layouts into analysis-ready formats; Prepare structured data for seamless integration with pivot tables and reporting tools. We begin with foundational concepts of data organization before moving on to practical cleaning techniques and modern formula patterns. This text-based course is designed for beginners, business professionals, and aspiring data analysts who want to build a solid foundation in spreadsheet data management. No prior database or data science experience is required. Start reading today to master the art of clean, structured, and professional spreadsheet data.