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| ロバスト共クリギング× | 共同クルギング：多変量地球統計学的手法による補間× | |
|---|---|---|
| 分野 | 空間分析 | 空間分析 |
| 系統 | Regression model | Regression model |
| 提唱年≠ | 1993-1998 | 1965-1978 |
| 提唱者≠ | Cressie, N. A. C.; Genton, M. G. | Matheron, G.; extended by Journel & Huijbregts |
| 種類≠ | Robust spatial interpolation | Geostatistical interpolation |
| 原典≠ | Cressie, N. A. C. (1993). Statistics for Spatial Data (Revised ed.). John Wiley & Sons. Chapter 3 covers robust variogram estimation and co-kriging. ISBN: 978-0471002550 | Journel, A. G., & Huijbregts, C. J. (1978). Mining Geostatistics. Academic Press, London. ISBN: 978-0123910561 |
| 別名 | robust cokriging, outlier-resistant co-kriging, robust multivariate kriging, RCK | cokriging, co-regionalization kriging, multivariate kriging, CK |
| 関連≠ | 3 | 5 |
| 概要≠ | Robust Co-Kriging is a multivariate geostatistical interpolation method that jointly estimates values at unsampled locations using two or more spatially correlated variables, while applying robust estimators for the variogram and cross-variogram to limit the distorting influence of spatial outliers or non-Gaussian measurement errors. | Co-kriging is a geostatistical interpolation technique that predicts the spatial distribution of a primary variable by leveraging its spatial cross-correlation with one or more secondary (co-) variables. It extends ordinary kriging to multivariate settings, yielding more accurate predictions when the secondary variable is more densely sampled or spatially correlated with the primary variable of interest. |
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