Geometric Analysis of Configurations in High-Dimensional Spaces R package AMDconfigurations version 0.4.0 Computes Average Membership Degree (AMD) from soft-membership matrices and constructs AMD curves across candidate configuration counts. The current curve backend uses repeated fuzzy c-means fits while keeping the AMD definition, membership estimation, curve construction, and final assignment as separate operations. Fitted memberships, convergence diagnostics, preprocessing transformations, seeds, row maps, and process-level reproducibility links are retained. The package reports numerical curve features but leaves their scientific interpretation to an explicitly justified analysis. The method was introduced by Mendoza and Araújo (2022) <doi:10.1111/ecog.06289>. Software Depends: R (>= 4.1) Imports: e1071 (>= 1.7-17), grDevices, graphics, stats, utils Suggests: testthat (>= 3.2.0), knitr, rmarkdown, ranger (>= 0.18.0), digest (>= 0.6.27) Manuel Mendoza <mmendoza@mncn.csic.es> Comprehensive R Archive Network (CRAN) Manuel Mendoza [aut, cre] (ORCID: <https://orcid.org/0000-0002-2143-8138>) MIT + file LICENSE (https://CRAN.R-project.org/package=AMDconfigurations/LICENSE) 2026-10-21 application/tgz https://CRAN.R-project.org/package=AMDconfigurations doi:10.32614/CRAN.package.AMDconfigurations