March 2019
Beginner
504 pages
11h 17m
English
Sometimes your data includes the definition of custom territories. For example, let's say your data had a field named Region that already grouped zip codes into various regions. That is, every zip code was contained in only one region. You might not want to take the time to select marks and group them manually.
Instead, you can tell Tableau the relationship already exists in the data. In this example, you'd use the drop-down menu of the Region field in the data pane and select Geographic Role | Create From... | Zip Code. Region is now a geographic field that defines custom territories:

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