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- W2989734229 abstract "This study takes a data-driven approach to define urban nighttime by examining the spatiotemporal dynamics of urban vitality. Using micro-scale spatiotemporal analysis, this paper empirically provides a comprehensive, yet granular, picture of collective human behaviors in cities. Using Seoul, South Korea as a case study site, it prioritizes the spatiotemporal context in order to mitigate uncertain contextual effects inherent in such forms of data-driven analysis. Instead of leaving the data re-grouping up to researcher’s arbitrary decision, this paper employs a functional principal component analysis (FPCA) to systematically transform a set of discrete data to a continuous functional form. This paper applies FPCA on 24-hour-based dataset of pedestrian traffic in Seoul in order to make a data-driven extraction of principal components that characterize the city’s unique patterns of urban vitality. Extracting principal components allows for less statistically obvious phenomena to be measured that would have otherwise been hidden within the data. This approach proved successful in capturing nighttime vitality patterns that are eclipsed by the overwhelming trend of daytime patterns. Additionally, this paper compares differences between regions and seasons to examine what the differences can tell about the definition of nighttime." @default.
- W2989734229 created "2019-12-05" @default.
- W2989734229 creator A5036279365 @default.
- W2989734229 date "2019-11-25" @default.
- W2989734229 modified "2023-09-25" @default.
- W2989734229 title "Data-driven approach to characterize urban vitality: how spatiotemporal context dynamically defines Seoul’s nighttime" @default.
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- W2989734229 doi "https://doi.org/10.1080/13658816.2019.1694680" @default.