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| Phân tích Không gian Dựa trên Mạng Lưới Cục bộ× | 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≠ | 1990s–2000s | 1992 |
| Người khởi xướng≠ | Okabe, Sugihara, and spatial network analysis community | Arthur Getis and J. Keith Ord |
| Loại≠ | Spatial network analysis | Local spatial statistic |
| Công trình gốc≠ | Okabe, A., & Sugihara, K. (2012). Spatial Analysis Along Networks: Statistical and Computational Methods. Wiley. ISBN: 978-0470770818 | 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 | local network analysis, local spatial network analysis, neighborhood network analysis, local graph-based spatial analysis | Getis-Ord Gi* statistic, spatial hot spot detection, cluster and outlier analysis, HSA |
| Liên quan | 5 | 5 |
| Tóm tắt≠ | Local Network-Based Spatial Analysis computes spatial statistics and network measures — such as accessibility, centrality, and density — within restricted local neighborhoods of a spatial network, revealing how connectivity and flow vary across fine geographic scales rather than globally across the entire network. | 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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