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You're reading from  Learning Tableau 2022 - Fifth Edition

Product typeBook
Published inAug 2022
PublisherPackt
ISBN-139781801072328
Edition5th Edition
Tools
Tableau
Concepts
Business Intelligence
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Author (1)
Joshua N. Milligan
Joshua N. Milligan
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Joshua N. Milligan

Joshua N. Milligan is a Hall of Fame Tableau Zen Master and 2017 Iron Viz Global finalist. His passion is training, mentoring, and helping people gain insights and make decisions based on their data through data visualization using Tableau and data cleaning and structuring using Tableau Prep. He is a principal consultant at Teknion Data Solutions, where he has served clients in numerous industries since 2004.
Read more about Joshua N. Milligan

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Practical examples of calculations and parameters

Let’s turn our attention to some practical examples of row-level and aggregate calculations. The goal is to learn and understand some of what is possible with calculations. You will be able to build on these examples as you embark on your analysis and visualization journey.

A great place to find help and suggestions for calculations is the official Tableau forums at https://community.tableau.com/s/explore-forums.

Fixing data issues

Often, data is not entirely clean. That is, it has problems that need to be corrected before meaningful analysis can be accomplished. For example, dates may be incorrectly formatted, or fields may contain a mix of numeric values and character codes that need to be separated into multiple fields. Calculated fields can often be used to fix these kinds of issues.

We’ll consider using Tableau Prep—a tool designed to shape and cleanse data—in Chapter...

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Learning Tableau 2022 - Fifth Edition
Published in: Aug 2022Publisher: PacktISBN-13: 9781801072328
© 2022 Packt Publishing Limited All Rights Reserved

Author (1)

author image
Joshua N. Milligan

Joshua N. Milligan is a Hall of Fame Tableau Zen Master and 2017 Iron Viz Global finalist. His passion is training, mentoring, and helping people gain insights and make decisions based on their data through data visualization using Tableau and data cleaning and structuring using Tableau Prep. He is a principal consultant at Teknion Data Solutions, where he has served clients in numerous industries since 2004.
Read more about Joshua N. Milligan

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