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Clustering daily patterns of human activities in the city

Clustering daily patterns of human activities in the city Data mining and statistical learning techniques are powerful analysis tools yet to be incorporated in the domain of urban studies and transportation research. In this work, we analyze an activity-based travel survey conducted in the Chicago metropolitan area over a demographic representative sample of its population. Detailed data on activities by time of day were collected from more than 30,000 individuals (and 10,552 households) who participated in a 1-day or 2-day survey implemented from January 2007 to February 2008. We examine this large-scale data in order to explore three critical issues: (1) the inherent daily activity structure of individuals in a metropolitan area, (2) the variation of individual daily activities—how they grow and fade over time, and (3) clusters of individual behaviors and the revelation of their related socio-demographic information. We find that the population can be clustered into 8 and 7 representative groups according to their activities during weekdays and weekends, respectively. Our results enrich the traditional divisions consisting of only three groups (workers, students and non-workers) and provide clusters based on activities of different time of day. The generated clusters combined with social demographic information provide a new perspective for urban and transportation planning as well as for emergency response and spreading dynamics, by addressing when, where, and how individuals interact with places in metropolitan areas. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Data Mining and Knowledge Discovery Springer Journals

Clustering daily patterns of human activities in the city

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References (49)

Publisher
Springer Journals
Copyright
Copyright © 2012 by The Author(s)
Subject
Computer Science; Statistics for Engineering, Physics, Computer Science, Chemistry and Earth Sciences; Information Storage and Retrieval; Data Mining and Knowledge Discovery; Computing Methodologies; Statistics, general; Artificial Intelligence (incl. Robotics)
ISSN
1384-5810
eISSN
1573-756X
DOI
10.1007/s10618-012-0264-z
Publisher site
See Article on Publisher Site

Abstract

Data mining and statistical learning techniques are powerful analysis tools yet to be incorporated in the domain of urban studies and transportation research. In this work, we analyze an activity-based travel survey conducted in the Chicago metropolitan area over a demographic representative sample of its population. Detailed data on activities by time of day were collected from more than 30,000 individuals (and 10,552 households) who participated in a 1-day or 2-day survey implemented from January 2007 to February 2008. We examine this large-scale data in order to explore three critical issues: (1) the inherent daily activity structure of individuals in a metropolitan area, (2) the variation of individual daily activities—how they grow and fade over time, and (3) clusters of individual behaviors and the revelation of their related socio-demographic information. We find that the population can be clustered into 8 and 7 representative groups according to their activities during weekdays and weekends, respectively. Our results enrich the traditional divisions consisting of only three groups (workers, students and non-workers) and provide clusters based on activities of different time of day. The generated clusters combined with social demographic information provide a new perspective for urban and transportation planning as well as for emergency response and spreading dynamics, by addressing when, where, and how individuals interact with places in metropolitan areas.

Journal

Data Mining and Knowledge DiscoverySpringer Journals

Published: Apr 20, 2012

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