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admix: Package Admix for Admixture (aka Contamination) Models

Implements techniques to estimate the unknown quantities related to two-component admixture models, where the two components can belong to any distribution (note that in the case of multinomial mixtures, the two components must belong to the same family). Estimation methods depend on the assumptions made on the unknown component density; see Bordes and Vandekerkhove (2010) <doi:10.3103/S1066530710010023>, Patra and Sen (2016) <doi:10.1111/rssb.12148>, and Milhaud, Pommeret, Salhi, Vandekerkhove (2024) <doi:10.3150/23-BEJ1593>. In practice, one can estimate both the mixture weight and the unknown component density in a wide variety of frameworks. On top of that, hypothesis tests can be performed in one and two-sample contexts to test the unknown component density (see Milhaud, Pommeret, Salhi and Vandekerkhove (2022) <doi:10.1016/j.jspi.2021.05.010>, and Milhaud, Pommeret, Salhi, Vandekerkhove (2024) <doi:10.3150/23-BEJ1593>). Finally, clustering of unknown mixture components is also feasible in a K-sample setting (see Milhaud, Pommeret, Salhi, Vandekerkhove (2024) <https://jmlr.org/papers/v25/23-0914.html>).

Version: 2.3.3
Depends: R (≥ 2.10)
Imports: base, cubature, EnvStats, fdrtool, graphics, Iso, MASS, orthopolynom, pracma, Rcpp, Rdpack, stats, utils
LinkingTo: Rcpp
Suggests: doParallel, doRNG, evd, flexsurv, foreach, gridExtra, knitr, lattice, logitnorm, plyr, reshape2, rmarkdown, rmutil, testthat (≥ 3.0.0)
Published: 2024-11-08
DOI: 10.32614/CRAN.package.admix
Author: Xavier Milhaud [aut, cre], Pierre Vandekerkhove [ctb], Denys Pommeret [ctb], Yahia Salhi [ctb]
Maintainer: Xavier Milhaud <xavier.milhaud.research at gmail.com>
BugReports: https://github.com/XavierMilhaud/admix-Rpackage/issues
License: GPL (≥ 3)
URL: https://github.com/XavierMilhaud/admix-Rpackage
NeedsCompilation: yes
Materials: README
CRAN checks: admix results

Documentation:

Reference manual: admix.pdf
Vignettes: Clustering of unknown subpopulations in admixture models (source, R code)
Estimation of unknown elements in admixture models (source, R code)
Hypothesis test in admixture models (source, R code)

Downloads:

Package source: admix_2.3.3.tar.gz
Windows binaries: r-devel: admix_2.3.3.zip, r-release: admix_2.3.3.zip, r-oldrel: admix_2.3.3.zip
macOS binaries: r-release (arm64): admix_2.3.3.tgz, r-oldrel (arm64): admix_2.3.3.tgz, r-release (x86_64): admix_2.3.3.tgz, r-oldrel (x86_64): admix_2.3.3.tgz
Old sources: admix archive

Linking:

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These binaries (installable software) and packages are in development.
They may not be fully stable and should be used with caution. We make no claims about them.