Data
Shapefiles of three counties or more at the census tract level are required to complete this module. This data can be obtained from different locations, including the, US Census Bureau at http://www.census.gov or the GeoTech Center data website, click here. For this example three counties in Kentucky at the census tract level are used. The counties all touch each other and have the same attributes. The files used for this module can be located at: https://drive.google.com/open?id=1CZqjsagHbsbDEUX6Kbi4vtPA5MTEkYyo, go to the “K” Tab select Kentucky, click on the county tab, then you will select an appropriate letter for each of the counties and then select the county name. The three counties used in this module are: Butler, Grayson and Ohio. All references in this module will refer to these three counties, but a different set of counties may be selected by the designer.