constrainedKriging: Constrained, Covariance-Matching Constrained and Universal Point
or Block Kriging
Provides functions for efficient computation of non-linear spatial predictions with local change of support (Hofer, C. and Papritz, A. (2011) "constrainedKriging: An R-package for customary, constrained and covariance-matching constrained point or block kriging" <doi:10.1016/j.cageo.2011.02.009>). This package supplies functions for two-dimensional spatial interpolation by constrained (Cressie, N. (1993) "Aggregation in geostatistical problems" <doi:10.1007/978-94-011-1739-5_3>), covariance-matching constrained (Aldworth, J. and Cressie, N. (2003) "Prediction of nonlinear spatial functionals" <doi:10.1016/S0378-3758(02)00321-X>) and universal (external drift) Kriging for points or blocks of any shape from data with a non-stationary mean function and an isotropic weakly stationary covariance function. The linear spatial interpolation methods, constrained and covariance-matching constrained Kriging, provide approximately unbiased prediction for non-linear target values under change of support. This package extends the range of tools for spatial predictions available in R and provides an alternative to conditional simulation for non-linear spatial prediction problems with local change of support.
| Version: |
0.2-11 |
| Depends: |
R (≥ 2.9), sp (≥ 0.9-60) |
| Imports: |
graphics, grDevices, methods, parallel, sf (≥ 1.0-14), spatialCovariance (≥ 0.6-4), stats |
| Suggests: |
gstat, spdep (≥ 0.5-43) |
| Published: |
2025-02-04 |
| DOI: |
10.32614/CRAN.package.constrainedKriging |
| Author: |
Christoph Hofer [aut],
Andreas Papritz [ctb, cre] |
| Maintainer: |
Andreas Papritz <papritz at retired.ethz.ch> |
| License: |
GPL-2 | GPL-3 [expanded from: GPL (≥ 2)] |
| NeedsCompilation: |
yes |
| Citation: |
constrainedKriging citation info |
| In views: |
Spatial |
| CRAN checks: |
constrainedKriging results |
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