Automatic generation and selection of spatial predictors for spatial regression with Random Forest. Spatial predictors are surrogates of variables driving the spatial structure of a response variable. The package offers two methods to generate spatial predictors from a distance matrix among training cases: 1) Moran's Eigenvector Maps (MEMs; Dray, Legendre, and Peres-Neto 2006 <doi:10.1016/j.ecolmodel.2006.02.015>): computed as the eigenvectors of a weighted matrix of distances; 2) RFsp (Hengl et al. <doi:10.7717/peerj.5518>): columns of the distance matrix used as spatial predictors. Spatial predictors help minimize the spatial autocorrelation of the model residuals and facilitate an honest assessment of the importance scores of the non-spatial predictors. Additionally, functions to reduce multicollinearity, identify relevant variable interactions, tune random forest hyperparameters, assess model transferability via spatial cross-validation, and explore model results via partial dependence curves and interaction surfaces are included in the package. The modelling functions are built around the highly efficient 'ranger' package (Wright and Ziegler 2017 <doi:10.18637/jss.v077.i01>).
Version: 1.1.4 Depends: R (≥ 2.10) Imports: dplyr, ggplot2, magrittr, stats, tibble, utils, foreach, doParallel, ranger, rlang, tidyr, tidyselect, huxtable, patchwork, viridis Suggests: testthat, spelling Published: 2022-08-19 DOI: 10.32614/CRAN.package.spatialRF Author: Blas M. Benito [aut, cre, cph] Maintainer: Blas M. Benito <blasbenito at gmail.com> BugReports: https://github.com/BlasBenito/spatialRF/issues/ License: GPL-3 URL: https://blasbenito.github.io/spatialRF/ NeedsCompilation: no Language: en-US Citation: spatialRF citation info Materials: NEWS In views: Spatial CRAN checks: spatialRF results Documentation: Downloads: Linking:Please use the canonical form https://CRAN.R-project.org/package=spatialRF to link to this page.
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