modifiable areal unit problem

The Modifiable Areal Unit Problem and GIS

Mark Altaweel

For most GIS practitioners, modifiable areal unit problem (MAUP) is something to be aware of when different analytical techniques are applied.

ZIP Code boundaries overlayed with the City of Flint's boundary. Map: Richard Casey Sadler.

How the ‘Quirky Geography’ of ZIP Codes Obscured Flint’s Lead Problem

Caitlin Dempsey

Richard Casey Sadler, an assistant professor at Michigan State University discusses how the Michigan Department of Health and Human Services' reliance on using ZIP Code level data obscured the link between Flint residents and lead exposure.