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Learning Tableau 2022

You're reading from   Learning Tableau 2022 Create effective data visualizations, build interactive visual analytics, and improve your data storytelling capabilities

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Product type Paperback
Published in Aug 2022
Publisher Packt
ISBN-13 9781801072328
Length 568 pages
Edition 5th Edition
Tools
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Author (1):
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Joshua N. Milligan Joshua N. Milligan
Author Profile Icon Joshua N. Milligan
Joshua N. Milligan
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Table of Contents (20) Chapters Close

Preface 1. Taking Off with Tableau FREE CHAPTER 2. Connecting to Data in Tableau 3. Moving Beyond Basic Visualizations 4. Starting an Adventure with Calculations and Parameters 5. Leveraging Level of Detail Calculations 6. Diving Deep with Table Calculations 7. Making Visualizations that Look Great and Work Well 8. Telling a Data Story with Dashboards 9. Visual Analytics: Trends, Clustering, Distributions, and Forecasting 10. Advanced Visualizations 11. Dynamic Dashboards 12. Exploring Mapping and Advanced Geospatial Features 13. Integrating Advanced Features: Extensions, Scripts, and AI 14. Understanding the Tableau Data Model, Joins, and Blends 15. Structuring Messy Data to Work Well in Tableau 16. Taming Data with Tableau Prep 17. Sharing Your Data Story 18. Other Books You May Enjoy
19. Index

Exploring the Tableau data model

Every data source you create in Tableau will use the data model. Any time you relate two or more sets of data, you’ll need to give some thought as to the various ways you might relate them in the data model. We’ll cover some of the basics of what a data model is and how to create it first.

Creating a data model

We’ve briefly looked at the Data Source screen in Chapter 2, Connecting to Data in Tableau. Now, we’ll take a deeper look at the concepts behind the interface. Feel free to follow along with the following example in the Chapter 14 Starter.twb workbook, or examine the end results in Chapter 14 Complete.twbx.

We’ll start by creating a connection to the Hospital Visits.xlsx file in the Chapter 14 directory. The Data Source screen will look like this upon first connecting to the file:

Figure 14.2: The Data Source screen lists the tabs in the Excel workbook and invites you to start a data model...

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