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SingRegKrig  

Singularity Regression Kriging for Spatial Prediction
View on CRAN: Click here


Download and install SingRegKrig package within the R console
Install from CRAN:
install.packages("SingRegKrig")

Install from Github:
library("remotes")
install_github("cran/SingRegKrig")

Install by package version:
library("remotes")
install_version("SingRegKrig", "0.1.0")



Attach the package and use:
library("SingRegKrig")
Maintained by
Shikhar Tyagi
[Scholar Profile | Author Map]
All associated links for this package
First Published: 2026-08-08
Latest Update: 2026-08-08
Description:
Implements the Singularity Regression Kriging ('SRK') model for spatial prediction by integrating covariate singularity feature construction, nonlinear trend estimation via random forest, and geostatistical interpolation of residuals using ordinary kriging. Singularity-based anomaly indices are computed from environmental covariates at multiple spatial scales to capture local multiscale heterogeneity and augment the random forest feature set for trend estimation. The resulting residuals are interpolated using ordinary kriging to generate final spatial predictions with uncertainty quantification. Tools for spatial block cross-validation, parameter sensitivity analysis, and diagnostic visualization are also provided. Methods are based on Ren, Song, Chen, and Yu (2026) <doi:10.1080/15481603.2026.2690341>, with singularity theory from Cheng (2012) <doi:10.1016/j.gexplo.2012.07.007> and Cheng (2017) <doi:10.1016/j.gr.2017.07.011>, random forest methodology from Breiman (2001) <doi:10.1023/A:1010933404324>, and regression kriging framework from Hengl, Heuvelink, and Rossiter (2007) <doi:10.1016/j.cageo.2007.05.001>.
How to cite:
Shikhar Tyagi (2026). SingRegKrig: Singularity Regression Kriging for Spatial Prediction. R package version 0.1.0, https://cran.r-project.org/web/packages/SingRegKrig. Accessed 29 Sep. 2026.
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Functions, R codes and Examples using the SingRegKrig R package
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