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Tableau Prep Cookbook

You're reading from   Tableau Prep Cookbook Use Tableau Prep to clean, combine, and transform your data for analysis

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Product type Paperback
Published in Mar 2021
Publisher Packt
ISBN-13 9781800563766
Length 288 pages
Edition 1st Edition
Tools
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Author (1):
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Hendrik Kleine Hendrik Kleine
Author Profile Icon Hendrik Kleine
Hendrik Kleine
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Table of Contents (11) Chapters Close

Preface 1. Chapter 1: Getting Started with Tableau Prep 2. Chapter 2: Extract and Load Processes FREE CHAPTER 3. Chapter 3: Cleaning Transformations 4. Chapter 4: Data Aggregation 5. Chapter 5: Combining Data 6. Chapter 6: Pivoting Data 7. Chapter 7: Creating Powerful Calculations 8. Chapter 8: Data Science in Tableau Prep Builder 9. Chapter 9: Creating Prep Flows in Various Business Scenarios 10. Other Books You May Enjoy

Chapter 7: Creating Powerful Calculations

In most analytics scenarios, you'll find that your dataset requires additional calculations in order to perform downstream analysis. For example, you may want to combine the values of multiple fields, or conditionally include certain values only. That's where creating calculated fields comes into play. Calculated fields allow you to perform calculations on your dataset inside Tableau Prep. The benefit of doing so in Tableau Prep rather than in a downstream reporting tool is that Tableau Prep will only need to perform the calculation once. In comparison, if you were to do these calculations in your reports, you'd have to perform them once for each report. Creating a calculation per report requires more effort than creating a calculation once during data preparation. And, of course, if multiple people were to create reports and attempt to calculate a certain value, there would be a risk of applying different calculations, either...

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