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| تحليل النقاط الساخنة (Getis-Ord Gi*)× | المؤشرات المحلية للارتباط المكاني (LISA)× | |
|---|---|---|
| المجال | التحليل المكاني | التحليل المكاني |
| العائلة | Regression model | Regression model |
| سنة النشأة≠ | 1992 | 1995 |
| صاحب الطريقة≠ | Arthur Getis and J. Keith Ord | Luc Anselin |
| النوع | Local spatial statistic | Local spatial statistic |
| المصدر التأسيسي≠ | Getis, A., & Ord, J. K. (1992). The analysis of spatial association by use of distance statistics. Geographical Analysis, 24(3), 189-206. DOI ↗ | Anselin, L. (1995). Local Indicators of Spatial Association — LISA. Geographical Analysis, 27(2), 93–115. DOI ↗ |
| الأسماء البديلة | Getis-Ord Gi* statistic, spatial hot spot detection, cluster and outlier analysis, HSA | LISA, local spatial autocorrelation statistics, local Moran's I, Anselin LISA |
| ذات صلة≠ | 5 | 6 |
| الملخص≠ | 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. | 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. |
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