25. Symbolizing data with a choropleth

Video Tutorial

In this tutorial

Calculate a new field (a.k.a. variable or column) of population per healthcare facility for each NYC community district using the Field Calculator tool

Timestamps (Click a link to start that segment in a new window)

0:00-2:46: Open up Layer Properties and click Symbology, then Graduated, then select popperfac as the numeric variable to symbolize. Select the color ramp of your choice. Click Classify.

2:46-5:11: Explore different modes of classification and how they change the spatial visualization.

5:11-5:57: Add the community districts layer again to use as a basemap behind your symbolized data so that areas with null values display as a neutral background.

Data downloads

Shapefile of community districts with healthcare facilities and population