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| Lokal kernedensitetsestimering× | Lokal rumlig autokorrelation× | |
|---|---|---|
| Fagområde | Rumlig analyse | Rumlig analyse |
| Familie | Regression model | Regression model |
| Oprindelsesår≠ | 1985-1986 | 1995 |
| Ophavsperson≠ | Silverman, B. W.; Diggle, P. J. | Luc Anselin |
| Type≠ | Non-parametric density estimator | Spatial association analysis |
| Oprindelig kilde≠ | Silverman, B. W. (1986). Density Estimation for Statistics and Data Analysis. Chapman and Hall, London. ISBN: 978-0412246203 | Anselin, L. (1995). Local indicators of spatial association — LISA. Geographical Analysis, 27(2), 93–115. DOI ↗ |
| Aliasser | Local KDE, adaptive KDE, spatially adaptive kernel density estimation, local density estimation | local spatial association, local SA, LISA methods, local spatial clustering |
| Relaterede≠ | 5 | 6 |
| Resumé≠ | Local Kernel Density Estimation (Local KDE) is a non-parametric spatial method that estimates the density of point events at each location by applying a kernel function with a spatially adaptive bandwidth. Unlike global KDE, which uses a fixed bandwidth across the entire study area, Local KDE adjusts the smoothing window according to local data density, capturing fine-scale clustering where events are sparse or concentrated. | 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. |
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