Measuring Similarity in the Spatial Distribution of Trips
Abstract
Many geographical studies are concerned with the spatial distribution of movements; These movements include, among others, personal trips for various purposes, commodity flows, migration flows, telephone calls, and the like. The term "flow pattern" is usually employed in connection with the spatial distribution of movements. When personal trips are considered an important question in the analysis of travel patterns is the degree of similarity in travel behavior between population groups or between zones. This article presents a method for measuring similarity in travel patterns based on the analysis of an O-D matrix. A measure of similarity is derived logically from the definition of "travel patterns" and "similarity in travel patterns". The properties of the similarity index are investigated and finally an example of an application is presented.
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