Hypothesis testSpatial statistics
Geary's C空间自相关
Geary's C 是一种空间自相关的全局度量——即邻近地点是否倾向于具有相似值——由 Roy Geary 于 1954 年提出。与基于值围绕均值协方差的 Moran's I 不同,Geary's C 基于邻近值之间的平方差,使其对局部、短距离变化更敏感。小于 1 的值表示正空间自相关(邻近相似),接近 1 表示随机性,大于 1 表示负自相关。
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来源
- Geary, R. C. (1954). The contiguity ratio and statistical mapping. The Incorporated Statistician, 5(3), 115–146. DOI: 10.2307/2986645 ↗
- Cliff, A. D., & Ord, J. K. (1981). Spatial Processes: Models and Applications. Pion. ISBN: 978-0-85086-081-8
如何引用本页
ScholarGate. (2026, June 2). Geary's C Spatial Autocorrelation Statistic. ScholarGate. https://scholargate.app/zh/spatial-analysis/geary-c
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