Truncated Harmonic Mean Estimator of the Marginal Likelihood for Mixtures R package thamesmix version 0.1.3 Implements the truncated harmonic mean estimator (THAMES) of the reciprocal marginal likelihood for uni- and multivariate mixture models using posterior samples and unnormalized log posterior values via reciprocal importance sampling. Metodiev, Irons, Perrot-Dockès, Latouche & Raftery (2025) <doi:10.48550/arXiv.2504.21812>. Software Imports: stats, sparsediscrim, quadprog, igraph, gor, Rfast, mvtnorm, combinat, withr Suggests: multimode, knitr, bayesmix, label.switching, LaplacesDemon, markdown Martin Metodiev <m.metodiev@tutanota.com> Comprehensive R Archive Network (CRAN) Martin Metodiev [aut, cre, cph] (ORCID: <https://orcid.org/0009-0000-9432-3756>), Nicholas J. Irons [aut] (ORCID: <https://orcid.org/0000-0002-9720-8259>), Marie Perrot-Dockès [aut] GPL (>= 3) 2025-07-14 application/tgz https://CRAN.R-project.org/package=thamesmix doi:10.32614/CRAN.package.thamesmix