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Learning Tableau 2022 - Fifth Edition

You're reading from  Learning Tableau 2022 - Fifth Edition

Product type Book
Published in Aug 2022
Publisher Packt
ISBN-13 9781801072328
Pages 568 pages
Edition 5th Edition
Languages
Author (1):
Joshua N. Milligan Joshua N. Milligan
Profile icon Joshua N. Milligan

Table of Contents (20) Chapters

Preface 1. Taking Off with Tableau 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

Leveraging spatial functions

Tableau continues to add native support for spatial functions. At the time of writing, Tableau supports the following functions:

  • Area() returns the total area of a polygon spatial object. You may specify the units of measurement as either meters, kilometers, miles, or feet.
  • Makeline() returns a line spatial object given two points.
  • Makepoint() returns a point spatial object given two coordinates.
  • Distance() returns the distance between two points in the desired units of measurement.
  • Buffer() creates a circle around a point with a radius of the given distance. As with the Area function, you may specify the units of measurement.

We’ll explore a few of these functions using the Hospital and Patients dataset in the Chapter 12 workbook. The dataset reimagines the real estate data as a hospital surrounded by patients, indicated in the following view by the difference in Shape, Size, and Color:

Figure...

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