Compara mètodes
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| Co-kriging: Interpolació Geostadística Multivariant× | Kriging Ordinari× | |
|---|---|---|
| Camp | Anàlisi espacial | Anàlisi espacial |
| Família | Regression model | Regression model |
| Any d'origen≠ | 1965-1978 | 1963 |
| Autor original≠ | Matheron, G.; extended by Journel & Huijbregts | Georges Matheron (formalising D.G. Krige's empirical work) |
| Tipus | Geostatistical interpolation | Geostatistical interpolation |
| Font seminal≠ | Journel, A. G., & Huijbregts, C. J. (1978). Mining Geostatistics. Academic Press, London. ISBN: 978-0123910561 | Matheron, G. (1963). Principles of geostatistics. Economic Geology, 58(8), 1246-1266. DOI ↗ |
| Àlies | cokriging, co-regionalization kriging, multivariate kriging, CK | OK, kriging interpolation, geostatistical interpolation, BLUE spatial predictor |
| Relacionats≠ | 5 | 4 |
| Resum≠ | 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. | Ordinary Kriging (OK) is the standard geostatistical method for interpolating a continuous spatial variable at unsampled locations. It derives optimal, unbiased weights from the spatial covariance structure of the data, making it the Best Linear Unbiased Predictor (BLUP) under stationarity assumptions. Unlike simpler distance-based methods, it also provides a prediction uncertainty (kriging variance) at every interpolated point. |
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