Transcription of Chapter 13 Trip Generation - ICPSR
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13 Trip GenerationBackgroundIn this Chapter , the theory and mechanics of the trip Generation stage will beexplained. Trip Generation is a model of the number of trips that originate and end in eachzone for a given jurisdiction. Given a set of N destination zones and M origin zones (whichinclude all the destination zones and, possibly, zones from adjacent jurisdictions), separatemodels are produced of the number of crimes originating and ending in each of these zones. That is, a separate model is produced of the number of crimes originating in each of the Morigin zones, and another model is produced of the number of crimes ending in each of theN destination zones.
Trip Pu rpose Trip genera tion modeling starts with the reasons behind tr avel. At an individual level, people make trips for a reason - to go to work, to go shopping, to go to a medical appointment, to go for recreation, or, in the case of offenders, to commit a crime. These are call ed trip purposes. Since there are a very lar ge number of ...
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