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Spatial sensitivity analysis for urban hotspots using cell phone traces

Author

Listed:
  • Jiahui Wu

    (University of Maryland, USA)

  • Enrique Frias-Martinez

    (Telefonica Research, Spain)

  • Vanessa Frias-Martinez

Abstract

Urban hotspots can be used to model the structure of urban environments and to study or predict various aspects of urban life. An increasing interest in the analysis of urban hotspots has been triggered by the emergence of pervasive technologies that produce massive amounts of spatio-temporal data including cell phone traces (or Call Detail Records). Although hotspot analyses using cell phone traces are extensive, there is no consensus among researchers about the process followed to compute them in terms of four important methodological choices: city boundaries , spatial units , interpolation methods , and hotspot variables . Using a large-scale CDR dataset from Mexico, we provide an interpretable systematic spatial sensitivity analysis of the impact that these methodological choices might have on the stability of the hotspot variables in both static and dynamic settings.

Suggested Citation

  • Jiahui Wu & Enrique Frias-Martinez & Vanessa Frias-Martinez, 2021. "Spatial sensitivity analysis for urban hotspots using cell phone traces," Environment and Planning B, , vol. 48(9), pages 2623-2639, November.
    • Handle: RePEc:sae:envirb:v:48:y:2021:i:9:p:2623-2639
    DOI: 10.1177/2399808320985843
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