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Power Query Cookbook

You're reading from   Power Query Cookbook Use effective and powerful queries in Power BI Desktop and Dataflows to prepare and transform your data

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Product type Paperback
Published in Oct 2021
Publisher Packt
ISBN-13 9781800569485
Length 412 pages
Edition 1st Edition
Languages
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Author (1):
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Andrea Janicijevic Andrea Janicijevic
Author Profile Icon Andrea Janicijevic
Andrea Janicijevic
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Table of Contents (12) Chapters Close

Preface 1. Chapter 1: Getting Started with Power Query 2. Chapter 2: Connecting to Fetch Data FREE CHAPTER 3. Chapter 3: Data Exploration in Power Query 4. Chapter 4: Reshaping Your Data 5. Chapter 5: Combining Queries for Efficiency 6. Chapter 6: Optimizing Power Query Performance 7. Chapter 7: Leveraging the M Language 8. Chapter 8: Adding Value to Your Data 9. Chapter 9: Performance Tuning with Power BI Dataflows 10. Chapter 10: Implementing Query Diagnostics 11. Other Books You May Enjoy

Chapter 8: Adding Value to Your Data

You have the chance to connect to your data and create and transform it as you want thanks to a wide range of options explored in the previous chapters. Moreover, Power Query offers the chance to add data and enrich it with additional columns or define some functions to retrieve data. By adding columns, you can define your own customized logic in a few steps and leverage the UI or M code expressions, which represents the language behind the scenes of Power Query. M code expressions can be used to build functions and define input values and programmatically retrieve a defined output in order to simplify the entire transformation process.

In this chapter, you will explore how you can add data as new columns based on a pattern or a logic of existing data enriching it with valuable information and using a set of transformations.

In this chapter, we will cover the following recipes:

  • Adding columns from examples
  • Adding conditional columns...
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