A map of the United States shows a comparison of measurement values among US States.
The following steps demonstrate how to create a new map visual on the dataset US County Population
[data source samples.us_counties
]. It produces colored regions for the measurements that correspond to the state
field.
state
. This article demonstrates how to use the Alias setting to make the dataset field stname
conform to this requirement.US County Population
[data source samples.us_counties
]; see Creating Visuals.In the visuals menu, find and click Map (row 5, column 1).
Note that the shelves of the visual changed. They are now X, Y, Geo, Measures, Drill, Tooltips, and Filters.
The only mandatory shelf for map visuals is Geo.
Populate the shelves from the available fields (Dimensions, Measures, and so on) in the Data menu.
Under Dimensions, select stname
and drag it over the
Geo shelf on the main part of the screen. Drop to add it to
the shelf.
Click on the field to open the Field Properties menu, expand the Change Type option, and select the Geo Type State.
tot_pop
and drag it
over the Measures shelf on the main part of the screen. Drop to
add it to the shelf.For population
, click the icon (down arrow), select Display
Format,Category
Number, remove decimal places, and select the thousands separator option. Click
Save.
[Optional] Alias the field stname
as State
, and
sum(tot_pop)
as Population
; see Alias.
Click Refresh Visual.
The map visual appears.
Click (pencil icon) next to the title of the visualization to edit it, and enter the new name.
US State Population - Choropleth Map
.At the top left corner of the Visual Designer, click Save.
Your visual should look something like this: