方法对比
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| 稳健通用克里金× | 通用克里金 (带趋势的克里金)× | |
|---|---|---|
| 领域 | 空间分析 | 空间分析 |
| 方法族 | Regression model | Regression model |
| 起源年份≠ | 1980s–1990s | 1969 |
| 提出者≠ | Developed through contributions of Cressie, Genton, and Rousseeuw in geostatistics and robust statistics | Georges Matheron |
| 类型≠ | Spatial interpolation model | Geostatistical interpolation with spatial trend |
| 开创性文献≠ | Cressie, N. A. C. (1993). Statistics for Spatial Data (revised ed.). Wiley-Interscience, New York. ISBN: 978-0471002550 | Matheron, G. (1963). Principles of geostatistics. Economic Geology, 58(8), 1246–1266. DOI ↗ |
| 别名 | RUK, robust kriging with external drift, outlier-resistant universal kriging, robust geostatistical regression kriging | kriging with a trend, kriging with drift, trend kriging, evrensel kriging |
| 相关≠ | 4 | 3 |
| 摘要≠ | 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. | Universal kriging generalizes ordinary kriging to data whose mean varies systematically across space — a spatial trend or 'drift'. It models the mean as a function of the coordinates (or covariates) and krigs the residuals, so it can interpolate variables that drift in a preferred direction, such as temperature falling with latitude or a pollutant gradient, while still returning prediction variances. |
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