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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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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

Troublesome Data Patterns

Reshaping and preparing data for analysis is often a combination of art and science, blending theory and skills with creative problem-solving. There are a wide range of troublesome data patterns, from dealing with stacked data to multiline headers and beyond. Challenges are not limited to the structure of the data alone but often also include inconsistencies and other complexities that can arise from the unique nature of the data itself or specific business rules and requirements.

When we think about problem-solving, it’s important to remember that there are many different approaches and techniques. In this book, we’re not claiming to have all the answers or that these methods are best. Rather, we aim to offer a collection of ideas and spark your imagination to help you kick-start your problem-solving journey, making you confident in facing any troublesome data pattern that crosses your path.

The examples provided throughout this chapter...

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