Aggregation Operators and Preordered Sets R package agop version 0.2.4 Tools supporting multi-criteria and group decision making, including variable number of criteria, by means of aggregation operators, spread measures, fuzzy logic connectives, fusion functions, and preordered sets. Possible applications include, but are not limited to, quality management, scientometrics, software engineering, etc. Software Depends: R (>= 3.0), stats, grDevices, graphics Suggests: igraph Marek Gagolewski <marek@gagolewski.com> Comprehensive R Archive Network (CRAN) Marek Gagolewski [aut, cre] (ORCID: <https://orcid.org/0000-0003-0637-6028>), Anna Cena [ctb] (ORCID: <https://orcid.org/0000-0001-8697-5383>) LGPL (>= 3) 2023-11-30 application/tgz https://CRAN.R-project.org/package=agop doi:10.32614/CRAN.package.agop