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The Definitive Guide to Power Query (M)

You're reading from   The Definitive Guide to Power Query (M) Mastering complex data transformation with Power Query

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Product type Paperback
Published in Mar 2024
Publisher Packt
ISBN-13 9781835089729
Length 758 pages
Edition 1st Edition
Languages
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Authors (3):
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Greg Deckler Greg Deckler
Author Profile Icon Greg Deckler
Greg Deckler
Melissa de Korte Melissa de Korte
Author Profile Icon Melissa de Korte
Melissa de Korte
Rick de Groot Rick de Groot
Author Profile Icon Rick de Groot
Rick de Groot
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Toc

Table of Contents (19) Chapters Close

Preface 1. Introducing M FREE CHAPTER 2. Working with Power Query/M 3. Accessing and Combining Data 4. Understanding Values and Expressions 5. Understanding Data Types 6. Structured Values 7. Conceptualizing M 8. Working with Nested Structures 9. Parameters and Custom Functions 10. Dealing with Dates, Times, and Durations 11. Comparers, Replacers, Combiners, and Splitters 12. Handling Errors and Debugging 13. Iteration and Recursion 14. Troublesome Data Patterns 15. Optimizing Performance 16. Enabling Extensions 17. Other Books You May Enjoy
18. Index

Practical examples

Thus far, you’ve gained an understanding of the different comparers, replacers, combiners, and splitters available in the M language. Now, with this foundational knowledge, it’s time to solidify your learning through practical examples that demonstrate their use in real-world scenarios. These examples will enhance your understanding of how to integrate these functions into your own workflows.

Feel free to devise your own strategy for these scenarios before delving into them. If you’re uncomfortable with translating this into M code at this time, that’s perfectly fine. You can still formulate an outline and consider potential obstacles to overcome. This will enable you to compare your approach with the one suggested here. However, keep in mind that there are numerous solutions to any given problem; this book only presents one possible method.

Removing control characters and excess spaces

A common task in cleaning and transforming...

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