Master M Code to transform and analyze data in Power Query for Excel and Power BI. Explore advanced techniques and build custom solutions with confidence.

Key Features

• Emphasis on foundational M Code and advanced techniques
• Inclusion of practical projects for real-world learning
• In-depth exploration of privacy and security concerns related to data

Book Description

This book begins with the fundamentals, introducing key concepts like let expressions, keywords, and identifiers, before guiding you through more advanced techniques such as creating custom functions, handling diverse data types, and building reusable queries. Each chapter combines theoretical insights with practical examples, empowering you to handle complex data challenges with confidence. As you progress, you’ll learn how to master lookup formulas, manipulate data with unpivot, append, join, and group operations, and explore advanced table transformations. A dedicated section on data connectors provides in-depth knowledge of importing data from various sources and locales, ensuring flexibility and adaptability. The book concludes with practical data modeling projects that include handling inconsistent tables, appending multiple files, and building dynamic SharePoint connections. With a final focus on privacy levels and data security, this book equips you to use Power Query effectively and securely in real-world scenarios.

What you will learn

• Understand Power Query and M Code fundamentals
• Work with type values and expressions
• Create reusable custom functions
• Master lookup formulas with M Code
• Handle data from various connectors effectively
• Perform data modeling with practical projects

Who this book is for

Data analysts, business intelligence professionals, Excel and Power BI users, & advanced Excel users transitioning to Power BI will find this book really helpful. A working knowledge of Excel and a basic understanding of Power BI are recommended.