March 2019
Beginner
504 pages
11h 17m
English
Content preview from Learning Tableau 2019 - Third Edition
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Density maps
Density maps show the spread and concentration of values within a geographic area. Instead of individual points or symbols, the marks blend together, showing intensity in areas with a high concentration. You can control color, size, and intensity.
Let's say you want to understand the geographic concentration of orders. You might create a density map using the following steps:
- Navigate to the Density of Orders sheet.
- Double-click the Postal Code field in the data pane. Just as before, Tableau automatically creates a symbol map geographic visualization using the Latitude (generated), Longitude (generated), and State fields.
- Using the drop-down menu on the Marks card, change the mark type to Density. The individual circles now ...
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