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| Analiza žarišnih točaka Getis-Ord Gi*× | Moran's I× | |
|---|---|---|
| Područje | Prostorna analiza | Prostorna analiza |
| Obitelj | Regression model | Regression model |
| Godina nastanka≠ | 1992 | 1950 |
| Tvorac≠ | Arthur Getis and J. Keith Ord | Patrick A. P. Moran |
| Vrsta≠ | Local spatial statistic | Spatial autocorrelation statistic |
| Temeljni izvor≠ | Getis, A. & Ord, J.K. (1992). The Analysis of Spatial Association by Use of Distance Statistics. Geographical Analysis, 24(3), 189–206. DOI ↗ | Moran, P. A. P. (1950). Notes on continuous stochastic phenomena. Biometrika, 37(1/2), 17–23. DOI ↗ |
| Drugi nazivi≠ | hot spot analysis, cold spot analysis, Gi* statistic, local Gi statistic | Moran's I statistic, global Moran's I, spatial autocorrelation index, Moran index |
| Srodne≠ | 4 | 6 |
| Sažetak≠ | Getis-Ord Gi* is a local spatial statistic, introduced by Getis and Ord in 1992 and refined in 1995, that compares the value at each location and its neighbours against the global mean to identify statistically significant clusters of high values (hot spots) and low values (cold spots). | Moran's I is the standard global statistic for detecting spatial autocorrelation: whether nearby locations tend to share similar values. The index ranges from approximately −1 (perfect dispersion) through 0 (spatial randomness) to +1 (perfect clustering), allowing researchers to test whether a geographic pattern differs from complete spatial randomness with a single, interpretable number. |
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