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physics.soc-ph2025
An Approach to Estimating Quadratic Logistic Model Parameters of Fractal Dimension Curves
Yanguang Chen
The fractal dimension curves of urban form and growth fall into two categories: One can be described by common logistic function, and the other can be described with quadratic logi…
physics.soc-ph2025
Structural Decomposition of Moran's Index by Getis-Ord's Indices
Yanguang Chen
Moran's index and Getis-Ord,s indices are important statistical measures of spatial autocorrelation analysis. Each of them has its own function and scope of application. However, t…
physics.soc-ph2025
On measure problems in allometric analysis of cities -- How to correctly understand the law of allometric growth
Yanguang Chen
The law of allometric growth originated from biology has been widely used in urban research for a long time. Some conditional research conclusions based on biological phenomena hav…