GIS Dictionary
Definitions for GIS terms related to operations such as analysis, GIS modeling and web-based GIS, cartography, and Esri software.
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gravity model
See Also:
attractiveness
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[geography]
A model that assumes that the influence of phenomena or populations on each other varies inversely with the distance between them. -
[business]
The idea that the probability of a given consumer visiting and purchasing at a given site is some function of the distance to that site, the site's attractiveness, and the distance and attractiveness of competing sites.