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空间时间核密度估计 (ST-KDE)

空间时间核密度估计 (ST-KDE) 将经典核密度估计 (KDE) 扩展到三维——两个空间维度和一个时间维度——以揭示点事件(犯罪、事故、疾病病例)的强度如何在地理空间和时间上连续变化。它会生成一个平滑的概率表面,突出显示事件最密集地集中在哪里以及何时。

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来源

  1. Nakaya, T., & Yano, K. (2010). Visualising crime clusters in a space-time cube: An exploratory data-analysis approach using space-time kernel density estimation and scan statistics. Transactions in GIS, 14(3), 223-239. DOI: 10.1111/j.1467-9671.2010.01194.x
  2. Kernel density estimation. Wikipedia. link

如何引用本页

ScholarGate. (2026, June 3). Space-Time Kernel Density Estimation. ScholarGate. https://scholargate.app/zh/spatial-analysis/space-time-kernel-density-estimation

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被引用于

ScholarGateSpace-Time Kernel Density Estimation (Space-Time Kernel Density Estimation). 于 2026-06-15 检索自 https://scholargate.app/zh/spatial-analysis/space-time-kernel-density-estimation · 数据集: https://doi.org/10.5281/zenodo.20539026