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| 局部吉尔里C× | Geary's C× | |
|---|---|---|
| 领域 | 空间分析 | 空间分析 |
| 方法族 | Regression model | Regression model |
| 起源年份≠ | 1995 | 1954 |
| 提出者≠ | Luc Anselin | Roy C. Geary |
| 类型≠ | Local spatial statistic | Spatial autocorrelation statistic |
| 开创性文献≠ | Anselin, L. (1995). Local indicators of spatial association — LISA. Geographical Analysis, 27(2), 93–115. DOI ↗ | Geary, R. C. (1954). The Contiguity Ratio and Statistical Mapping. The Incorporated Statistician, 5(3), 115–145. link ↗ |
| 别名 | Local Geary, local spatial contiguity ratio, LISA Geary, local c statistic | Geary contiguity ratio, Geary C statistic, spatial contiguity ratio, Geary's c |
| 相关≠ | 6 | 4 |
| 摘要≠ | Local Geary's C is a local indicator of spatial association (LISA) that measures, for each location, how dissimilar its value is from its immediate neighbours. Unlike Local Moran's I, which detects clustering of similar values, Local Geary's C focuses on squared value differences and is especially sensitive to local spatial outliers and local heterogeneity. | Geary's C is a global spatial autocorrelation statistic that measures whether nearby areal units share similar attribute values. Unlike Moran's I, it focuses on squared differences between adjacent pairs rather than cross-products of deviations from the mean, making it more sensitive to local dissimilarity and less influenced by global trends. |
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