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The Definitive Guide to Power Query (M)

You're reading from  The Definitive Guide to Power Query (M)

Product type Book
Published in Mar 2024
Publisher Packt
ISBN-13 9781835089729
Pages 758 pages
Edition 1st Edition
Languages
Authors (3):
Gregory Deckler Gregory Deckler
Profile icon Gregory Deckler
Rick de Groot Rick de Groot
Profile icon Rick de Groot
Melissa de Korte Melissa de Korte
Profile icon Melissa de Korte
View More author details

Table of Contents (19) Chapters

Preface 1. Introducing M 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

Comparers, Replacers, Combiners, and Splitters

Data preparation within Power Query involves several techniques aimed at manipulating and refining data. These techniques include splitting, combining, comparing, and replacing values to achieve the desired data structure and quality. Here’s a brief overview of each technique:

Technique

Purpose

Example

Comparers

Determine equality and order

Identifying duplicates, ranking, and sorting data

Replacers

Substitute values

Correcting misspellings or irregularities to ensure uniformity

Combiners

Concatenate...

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