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Prostorno-vremenska procena gustine jezgra (ST-KDE)×Statistika prostorno-vremenskih žarišta Getis-Ord Gi*×
OblastProstorna analizaProstorna analiza
PorodicaRegression modelRegression model
Godina nastanka2010 (space-time extension); 1956 (KDE origin)1992 (Gi*); space-time extension ~2000s–2010s
TvoracNakaya & Yano (space-time formulation); KDE foundation by Rosenblatt and ParzenGetis & Ord (seminal); space-time extension developed in GIS literature and ArcGIS Emerging Hot Spot Analysis
TipNon-parametric density estimationLocal spatial statistic (space-time extension)
Temeljni izvorNakaya, T., & Yano, K. (2010). Visualising crime clusters in a space-time cube: An exploratory data-analysis approach using space-time kernel density estimation and scan statistics. Transactions in GIS, 14(3), 223-239. DOI ↗Getis, A., & Ord, J. K. (1992). The analysis of spatial association by use of distance statistics. Geographical Analysis, 24(3), 189-206. DOI ↗
Drugi naziviST-KDE, spatiotemporal kernel density estimation, space-time KDE, 3D kernel density estimationST-Gi*, space-time hot spot analysis, emerging hot spot analysis, space-time local autocorrelation statistic
Srodne54
SažetakSpace-Time Kernel Density Estimation extends classical KDE into three dimensions — two spatial and one temporal — to reveal how the intensity of point events (crimes, accidents, disease cases) varies continuously across both geographic space and time. It produces a smooth probabilistic surface that highlights where and when events concentrate most densely.The Space-Time Getis-Ord Gi* statistic extends the classic Gi* local hot spot measure into three dimensions — two spatial and one temporal — revealing not only where concentrations of high or low values cluster, but how those clusters evolve, intensify, or diminish over time. It is widely used in crime analysis, epidemiology, ecology, and urban studies.
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ScholarGateUporedite metode: Space-Time Kernel Density Estimation · Space-Time Getis-Ord Gi*. Preuzeto 2026-06-18 sa https://scholargate.app/sr/compare