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| تحليل النقاط الساخنة العالمية (إحصائية Getis-Ord G)× | الارتباط الذاتي المكاني المحلي× | |
|---|---|---|
| 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≠ | Global spatial concentration test | Spatial association analysis |
| 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 | Global G statistic, Getis-Ord G, global spatial clustering test, global concentration statistic | local spatial association, local SA, LISA methods, local spatial clustering |
| ذات صلة≠ | 5 | 6 |
| الملخص≠ | Global Hot Spot Analysis uses the Getis-Ord G statistic to determine whether high or low attribute values are spatially concentrated across an entire study area. It answers one question: is there overall clustering of high values (a hot spot tendency) or low values (a cold spot tendency) in the dataset as a whole, producing a single summary test for the full region. | 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. |
| ScholarGateمجموعة البيانات ↗ |
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