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| Indicateurs Locaux d'Association Spatiale (LISA)× | La statistique Gi* de Getis-Ord locale (Analyse de points chauds)× | |
|---|---|---|
| Domaine | Analyse spatiale | Analyse spatiale |
| Famille | Regression model | Regression model |
| Année d'origine≠ | 1995 | 1992–1995 |
| Auteur d'origine≠ | Luc Anselin | Arthur Getis and J. Keith Ord |
| Type≠ | Local spatial statistic | Local spatial association statistic |
| Source fondatrice≠ | 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 ↗ |
| Alias | LISA, local spatial autocorrelation statistics, local Moran's I, Anselin LISA | Gi* statistic, Getis-Ord Gi*, local G-star, hot spot statistic |
| Apparentées≠ | 6 | 5 |
| Résumé≠ | LISA, introduced by Luc Anselin in 1995, decomposes a global spatial autocorrelation index into a location-specific statistic for every observation. It identifies where statistically significant spatial clusters and outliers occur on a map, enabling researchers to move beyond a single global summary and pinpoint the geographic sources of spatial dependence. | 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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