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| Chỉ số I của Moran mạnh mẽ (Robust Moran's I)× | Tỷ lệ Tương quan Không gian C của Geary× | |
|---|---|---|
| Lĩnh vực | Phân tích không gian | Phân tích không gian |
| Họ | Regression model | Regression model |
| Năm ra đời≠ | 1990s–2000s | 1954 |
| Người khởi xướng≠ | Extension of Moran (1950); robust adaptations developed in spatial statistics literature | Roy C. Geary |
| Loại≠ | Robust spatial autocorrelation statistic | Spatial autocorrelation statistic |
| Công trình gốc≠ | 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 ↗ |
| Tên gọi khác | outlier-resistant Moran's I, robust spatial autocorrelation test, median-based Moran statistic, robust global spatial association | Geary contiguity ratio, Geary C statistic, spatial contiguity ratio, Geary's c |
| Liên quan≠ | 6 | 4 |
| Tóm tắt≠ | Robust Moran's I is an outlier-resistant adaptation of the classic Moran's I spatial autocorrelation statistic. By replacing the standard mean-based standardization with resistant measures of center and spread, it detects genuine geographic clustering without being distorted by a small number of extreme values in the attribute of interest. | 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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