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| 頑健普遍クリギング× | 空間ラグモデル（SAR / 空間自己回帰）× | |
|---|---|---|
| 分野 | 空間分析 | 空間分析 |
| 系統 | Regression model | Regression model |
| 提唱年≠ | 1980s–1990s | 1988 |
| 提唱者≠ | Developed through contributions of Cressie, Genton, and Rousseeuw in geostatistics and robust statistics | Anselin (textbook formalisation); LeSage & Pace |
| 種類≠ | Spatial interpolation model | Spatial autoregressive regression |
| 原典≠ | Cressie, N. A. C. (1993). Statistics for Spatial Data (revised ed.). Wiley-Interscience, New York. ISBN: 978-0471002550 | Anselin, L. (1988). Spatial Econometrics: Methods and Models. Kluwer Academic. DOI ↗ |
| 別名 | RUK, robust kriging with external drift, outlier-resistant universal kriging, robust geostatistical regression kriging | SAR model, spatial autoregressive model, spatial lag, Uzamsal Gecikme Modeli (SAR / Spatial Lag) |
| 関連≠ | 4 | 5 |
| 概要≠ | Robust Universal Kriging (RUK) is a geostatistical interpolation method that combines a spatially varying deterministic trend with a stochastic residual surface, while using robust estimators to protect the variogram and trend coefficients from the distorting influence of outlying observations. | The Spatial Lag Model is an autoregressive regression that assumes spatial dependence in the dependent variable itself: the outcome values of neighbouring units enter the model as an explanatory term (ρWy). It was formalised in Anselin's Spatial Econometrics (1988) and developed further by LeSage and Pace (2009), and it decomposes spillover effects into direct, indirect, and total impacts. |
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