Sometimes you have all the data pieces you need to make your thematic map, but they don't live in a single handy attribute. Here's how to use an Arcade Expression to merge attributes together into a dynamic new field. Plus a little tidbit about normalizing choropleths to take unto account the underlying population and stuff.

Music: by "Prismatic Neo Height"    / @aex1le  

Check out some other social channels where I share howto's and updates on random map adventures:

http://adventuresinmapping.com
https://www.esri.com/arcgisblog/auth...
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