What do GIS and real estate have in common? They both place a very high importance on location. For real estate professionals, location is always one of the determining factors influencing property value. For GIS users, location is the origin of geographic data. The accuracy of location determines the value of data […]
GIS applications
Spatial Analysis
Distance decay model showing the probability of Osama bin Laden's location. From a UCLA study, 2009.
Distance Decay and Its Use in GIS
Distance decay is a phenomenon observed between locations or ethnic groups- the further apart they are, the less likely it is that they will interact very much. Distance decay theory in GIS can be used for other purposes such as the effects of time and distance on public transportation ridership, crime analysis, and health care.