intkrige: A Numerical Implementation of Interval-Valued Kriging
An interval-valued extension of ordinary and simple kriging. Optimization of the function is based on a generalized interval distance. This creates a non-differentiable cost function that requires a differentiable approximation to the absolute value function. This differentiable approximation is optimized using a Newton-Raphson algorithm with a penalty function to impose the constraints. Analyses in the package are driven by the 'intsp' and 'intgrd' classes, which are interval-valued extensions of 'SpatialPointsDataFrame' and 'SpatialPixelsDataFrame' respectively. The package includes several wrappers to functions in the 'gstat' and 'sp' packages.
| Version: | 1.0.2 |
| Depends: | R (≥ 3.5.0),sp (≥ 1.3-1),gstat,raster |
| Imports: | Rcpp,Rdpack, methods, stats, utils |
| LinkingTo: | Rcpp,RcppArmadillo |
| Suggests: | doParallel,foreach,lattice,latticeExtra, grid,gridExtra,testthat,knitr,rmarkdown |
| Published: | 2025-09-21 |
| DOI: | 10.32614/CRAN.package.intkrige |
| Author: | Brennan Bean [aut, cre] |
| Maintainer: | Brennan Bean <brennan.bean at usu.edu> |
| License: | MIT + fileLICENSE |
| NeedsCompilation: | yes |
| Materials: | README,NEWS |
| CRAN checks: | intkrige results |
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