Simple Mathematical Law Predicts Movement In Cities Around the World
Wednesday September 15, 2021. 05:30 AM , from Slashdot
The researchers analyzed data from about eight million people between 2006 and 2013 in six urban locations: Boston, Singapore, Lisbon and Porto in Portugal, Dakar in Senegal, and Abidjan in Ivory Coast. Previous analyses have used cell-phone data to study individuals' travel paths; this study focused instead on locations and examined how many people were visiting, from how far and how frequently. The researchers found that all the unique choices people makeâ'from dropping kids at school to shopping or commuting -- obey this inverse square law when considered in aggregate. One explanation for this strong statistical pattern is that traveling requires time and energy, and people have limited resources for it.
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