Semiparametric Spatial Filtering with Eigenvectors in (Generalized) Linear Models R package spfilteR version 2.2.0 Tools to decompose (transformed) spatial connectivity matrices and perform supervised or unsupervised semiparametric spatial filtering in a regression framework. The package supports unsupervised spatial filtering in standard linear as well as some generalized linear regression models. Software Depends: R (>= 3.5.0) Imports: stats Suggests: testthat, knitr, rmarkdown Sebastian Juhl <sebastian.juhl@t-online.de> Comprehensive R Archive Network (CRAN) Sebastian Juhl [aut, cre] (ORCID: <https://orcid.org/0000-0002-7123-5398>) GPL-3 2026-01-08 application/tgz https://CRAN.R-project.org/package=spfilteR doi:10.32614/CRAN.package.spfilteR