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| Lokal rumlig autokorrelation× | Lokal Getis-Ord Gi* (Hot Spot Analysis)× | |
|---|---|---|
| Fagområde | Rumlig analyse | Rumlig analyse |
| Familie | Regression model | Regression model |
| Oprindelsesår≠ | 1995 | 1992–1995 |
| Ophavsperson≠ | Luc Anselin | Arthur Getis and J. Keith Ord |
| Type≠ | Spatial association analysis | Local spatial association statistic |
| Oprindelig kilde≠ | Anselin, L. (1995). Local indicators of spatial association — LISA. Geographical Analysis, 27(2), 93–115. DOI ↗ | Getis, A., & Ord, J. K. (1992). The analysis of spatial association by use of distance statistics. Geographical Analysis, 24(3), 189–206. DOI ↗ |
| Aliasser | local spatial association, local SA, LISA methods, local spatial clustering | Gi* statistic, Getis-Ord Gi*, local G-star, hot spot statistic |
| Relaterede≠ | 6 | 5 |
| Resumé≠ | Local Spatial Autocorrelation methods decompose global spatial clustering into location-specific statistics, revealing where in a study area significant clustering or dispersion occurs. Each observation receives its own association score and significance value, enabling the detection of spatial hot spots, cold spots, and spatial outliers rather than reporting a single summary statistic. | The Local Getis-Ord Gi* statistic identifies statistically significant spatial clusters of high values (hot spots) and low values (cold spots) within a study area. Unlike global measures, it produces a z-score for every location, revealing where concentrated clustering occurs and with what statistical confidence. |
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