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| Tér-Idő Geary C-statisztikája× | Geary C – A térbeli szomszédossági arány× | |
|---|---|---|
| Tudományterület | Térbeli elemzés | Térbeli elemzés |
| Módszercsalád | Regression model | Regression model |
| Keletkezés éve≠ | 1954 / 2010s | 1954 |
| Megalkotó≠ | Geary (1954); extended to space-time by Anselin and others | Roy C. Geary |
| Típus | Spatial autocorrelation statistic | Spatial autocorrelation statistic |
| Alapmű≠ | Geary, R. C. (1954). The Contiguity Ratio and Statistical Mapping. The Incorporated Statistician, 5(3), 115-145. DOI ↗ | Geary, R. C. (1954). The Contiguity Ratio and Statistical Mapping. The Incorporated Statistician, 5(3), 115–145. link ↗ |
| Alternatív nevek | ST-Geary's C, spatiotemporal Geary C, space-time contiguity ratio, space-time local spatial autocorrelation | Geary contiguity ratio, Geary C statistic, spatial contiguity ratio, Geary's c |
| Kapcsolódó≠ | 6 | 4 |
| Összefoglaló≠ | Space-Time Geary's C extends the classical Geary contiguity ratio to panel or longitudinal spatial data, measuring autocorrelation across both geographic neighbors and adjacent time periods simultaneously. Values below 1 indicate positive space-time clustering; values above 1 indicate dispersion, and a value near 1 suggests random arrangement across the space-time lattice. | 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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