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| Phân tích điểm nóng Bayes× | Phân tích điểm nóng (Getis-Ord Gi*)× | |
|---|---|---|
| Lĩnh vực | Phân tích không gian | Phân tích không gian |
| Họ | Regression model | Regression model |
| Năm ra đời≠ | 1987 | 1992 |
| Người khởi xướng≠ | Clayton & Kaldor (1987); Lawson (2001 onward) | Arthur Getis and J. Keith Ord |
| Loại≠ | Bayesian spatial cluster detection | Local spatial statistic |
| Công trình gốc≠ | Lawson, A. B. (2018). Bayesian Disease Mapping: Hierarchical Modeling in Spatial Epidemiology (3rd ed.). CRC Press. ISBN: 978-1138575424 | Getis, A., & Ord, J. K. (1992). The analysis of spatial association by use of distance statistics. Geographical Analysis, 24(3), 189-206. DOI ↗ |
| Tên gọi khác | Bayesian spatial cluster detection, Bayesian disease mapping hot spots, empirical Bayesian hot spot analysis, Bayesian spatial smoothing hot spots | Getis-Ord Gi* statistic, spatial hot spot detection, cluster and outlier analysis, HSA |
| Liên quan | 5 | 5 |
| Tóm tắt≠ | Bayesian Hot Spot Analysis identifies spatial clusters of elevated risk or intensity by combining observed data with prior beliefs about spatial structure. It uses Bayesian smoothing — pooling information across neighboring areas — to stabilize estimates in small areas and then flags locations where the posterior probability of exceeding a risk threshold is high. | 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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