Article2016

Space–time multiple regression model for grid-based population estimation in urban areas

Ko Ko Lwin · Komei Sugiura · Koji Zettsu

36 citations0/0 files storedInternational Journal of Geographical Information Systems

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Human Mobility and Location-Based Analysis Geographic Information Systems Studies Impact of Light on Environment and Health

Abstract

We can collect, store, and analyze a huge amount of information about human mobility and social interaction activities due to the emergence of information and communication technologies and location-enabled mobile devices under cyber physical system frameworks. The high spatial resolution of population data on a multi-temporal scale is required by transport planners, human geographers, social scientists, and emergency management teams. In this study, we build a space-time multiple regression model to estimate grid-based (500 m × 500 m) spatial resolution at multi-temporal scale (30-min intervals) population data based on the space-time relationship among geospatially enabled person trip (PT) survey data and incorporate both mobile call (MC) and geotagged Twitter (GT) data. Since using geospatially enabled PT survey data as dependent variables enables us to acquire actual population amounts, which strongly depend on MCs and social interaction activities. Although many grids have a strong correlation between PT and MC/GT, some show fewer correlation results, especially where the grids have factories, schools, and workshops in which fewer MCs are found but a large population is presented. Although GT data are sparser than MCs, people from amusement and tourist areas can be detected by GT data. The space-time multiple regression model can also estimate the different amounts of populations based on human travel behavior that changes over space and time. According to accuracy assessments, the night-time estimated results, especially between 00:00 and 06:30, strongly correlate with national census data except in places where the grids have railway and subway stations.

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References

2014Dynamic population mapping using mobile phone data 2007Cellular Census: Explorations in Urban Data Collection 2014What Are Health-Related Users Tweeting? A Qualitative Content Analysis of Health-Related Users and Their Messages on Twitter 2009A GIS Approach to Estimation of Building Population for Micro‐spatial Analysis 2011PFlow: Reconstructing People Flow Recycling Large-Scale Social Survey Data

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