Latitude (continuous measure, latitude geographic role assigned) Longitude (continuous measure, longitude geographic role assigned) Stateīasic map building blocks: Columns shelf: It contains columns for State, County, and Obesity Percent - 2012. The following table is a snippet of the countyObesity + (Obesity_State_County) data source, which is included in the Create Choropleth Maps in Tableau Example Workbook (Link opens in a new window) on Tableau Public. For more information, see Create Tableau Maps from Spatial Files (Link opens in a new window). Location names (if recognized by Tableau), or custom polygons.To create a choropleth map, your data source should include the following types of information: ![]() Follow the example in this topic to learn how to set up your data source and build the view for a choropleth map. This topic illustrates how to create a choropleth map using an example. For example, you are likely to have a higher count for sales in regions with a higher count of people. Counts are often related to size or population for regions. Note: When using aggregated data, be careful when using counts. For more information, see Create Territories on a Map (Link opens in a new window). They can even be custom territories created in Tableau. These polygons can be counties, regions, states, or any area or region that can be geocoded in Tableau. ![]() These types of maps are called choropleth maps, or filled maps.Ĭhoropleth maps are best for showing ratio or aggregated data for polygons. You can create maps in Tableau Desktop that show ratio or aggregated data, similar to the example below.
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