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| Indicateurs Locaux d'Association Spatiale Temps-Espace (ST-LISA)× | Analyse des points chauds (Getis-Ord Gi*)× | |
|---|---|---|
| Domaine | Analyse spatiale | Analyse spatiale |
| Famille | Regression model | Regression model |
| Année d'origine≠ | 1995 (LISA); space-time extensions developed 2000s–2010s | 1992 |
| Auteur d'origine≠ | Extension of Anselin (1995) LISA framework to the space-time domain | Arthur Getis and J. Keith Ord |
| Type≠ | Local spatial statistic (space-time) | Local spatial 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 | ST-LISA, space-time LISA, spatiotemporal local indicators of spatial association, STLISA | Getis-Ord Gi* statistic, spatial hot spot detection, cluster and outlier analysis, HSA |
| Apparentées≠ | 6 | 5 |
| Résumé≠ | Space-Time Local Indicators of Spatial Association (ST-LISA) extend the classic LISA framework of Anselin (1995) into the temporal dimension, identifying locations that exhibit statistically significant spatial clustering or spatial outlier behavior consistently or intermittently across multiple time periods. They decompose global space-time autocorrelation into local contributions, revealing where and when spatial clusters emerge, persist, or dissolve. | Hot Spot Analysis uses the Getis-Ord Gi* local spatial statistic to identify geographic locations where high or low attribute values cluster together to a degree that is statistically significant. Each feature is evaluated in relation to its neighbours, producing a z-score that flags genuine spatial hot spots and cold spots against a background of random variation. |
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