Capturing the heterogeneity of urban growth in South Korea using a latent class regression model |
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| Authors: | Soyoung Park Jae Hyun Lee Keith C Clarke |
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| Institution: | 1. Spatial Information Engineering Department, Pukyong National University, Busan, South Korea;2. Institute of Transportation Studies, University of California, Davis, CA, USA;3. Department of Geography, University of California, Santa Barbara, CA, USA |
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| Abstract: | This study aims to analyze the spatial patterns of urban growth in South Korea between 2000 and 2010. Fourteen suspected causative independent variables were selected and latent class regression (LCR) was used to analyze the relationship between dependent (urban growth) and independent (causative) variables. The goodness‐of‐fit was assessed by comparison to logistic regression (LR) analysis. The LR analysis produced consistent coefficients for each independent variable across the study area. In contrast, an LCR analysis, with a three‐class assumption, resulted in a different magnitude and directional effects of the coefficients for each class. The LCR analysis enabled the identification of both spatially homogeneous and heterogeneous areas. In addition, the LCR analysis performed better than the LR analysis with a lower Akaike information criterion and Bayesian information criterion value, and a higher receiver operating characteristic value. We conclude that LCR analysis should be used to establish causative “driving” factors for efficient urban growth planning and urban spatial policy. |
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