Transformative Magic of M Code in Power Query Excel & Power BI

A Beginner's Guide to Get the Data Structures Needed to Create Insightful Data Analysis Solutions.

Publisher:Packt Publishing Limited

By: MrExcel's Holy Macro! Books and Mike Girvin

Paid access

|Mar 2025

E-Book €10.99Institutions €111.95

Description

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.