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تقدير كثافة النواة المحلي×مؤشر موران المحلي I (LISA)×
المجالالتحليل المكانيالتحليل المكاني
العائلةRegression modelRegression model
سنة النشأة1985-19861995
صاحب الطريقةSilverman, B. W.; Diggle, P. J.Luc Anselin
النوعNon-parametric density estimatorLocal spatial autocorrelation statistic
المصدر التأسيسيSilverman, B. W. (1986). Density Estimation for Statistics and Data Analysis. Chapman and Hall, London. ISBN: 978-0412246203Anselin, L. (1995). Local indicators of spatial association—LISA. Geographical Analysis, 27(2), 93–115. DOI ↗
الأسماء البديلةLocal KDE, adaptive KDE, spatially adaptive kernel density estimation, local density estimationLocal Indicator of Spatial Association, LISA statistic, Anselin Local Moran, local spatial autocorrelation index
ذات صلة56
الملخصLocal 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 Moran's I, introduced by Luc Anselin in 1995, is a Local Indicator of Spatial Association (LISA) that decomposes global spatial autocorrelation into location-specific contributions. For every observation it produces a signed statistic and a significance value, enabling researchers to identify spatial clusters (high-high, low-low) and spatial outliers (high-low, low-high) on a map.
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ScholarGateقارن الطرق: Local Kernel Density Estimation · Local Moran's I. استُرجع بتاريخ 2026-06-17 من https://scholargate.app/ar/compare