Qualitative Comparative Analysis R package QCA version 3.25 An extensive set of functions to perform Qualitative Comparative Analysis: crisp sets ('csQCA'), temporal ('tQCA'), multi-value ('mvQCA') and fuzzy sets ('fsQCA'). 'QCA' is a methodology that bridges the qualitative and quantitative divide in social science research. It uses a Boolean minimization algorithm, resulting in a minimal causal configuration associated with a given phenomenon. Software Depends: R (>= 3.6.0), admisc (> 0.39) Imports: methods, declared, venn Adrian Dusa <dusa.adrian@unibuc.ro> Comprehensive R Archive Network (CRAN) Adrian Dusa [aut, cre, cph] (ORCID: <https://orcid.org/0000-0002-3525-9253>), Ciprian Paduraru [ctb] (ORCID: <https://orcid.org/0000-0002-4518-374X>), Alrik Thiem [aut] (from version 1.0-0 up to version 1.1-3) GPL (>= 3) 2026-05-09 application/tgz https://CRAN.R-project.org/package=QCA doi:10.32614/CRAN.package.QCA