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MGMM: Missingness Aware Gaussian Mixture Models

Parameter estimation and classification for Gaussian Mixture Models (GMMs) in the presence of missing data. This package complements existing implementations by allowing for both missing elements in the input vectors and full (as opposed to strictly diagonal) covariance matrices. Estimation is performed using an expectation conditional maximization algorithm that accounts for missingness of both the cluster assignments and the vector components. The output includes the marginal cluster membership probabilities; the mean and covariance of each cluster; the posterior probabilities of cluster membership; and a completed version of the input data, with missing values imputed to their posterior expectations. For additional details, please see McCaw ZR, Julienne H, Aschard H. "Fitting Gaussian mixture models on incomplete data." <doi:10.1186/s12859-022-04740-9>.

Version: 1.0.1.1
Depends: R (≥ 3.5.0)
Imports: cluster, methods, mvnfast, plyr, Rcpp (≥ 1.0.3), stats
LinkingTo: Rcpp, RcppArmadillo
Suggests: testthat (≥ 3.0.0), knitr, rmarkdown, withr
Published: 2023-09-30
DOI: 10.32614/CRAN.package.MGMM
Author: Zachary McCaw ORCID iD [aut, cre]
Maintainer: Zachary McCaw <zmccaw at alumni.harvard.edu>
License: GPL-3
NeedsCompilation: yes
In views: MissingData
CRAN checks: MGMM results

Documentation:

Reference manual: MGMM.pdf
Vignettes: Missingness Aware Gaussian Mixture Models

Downloads:

Package source: MGMM_1.0.1.1.tar.gz
Windows binaries: r-devel: MGMM_1.0.1.1.zip, r-release: MGMM_1.0.1.1.zip, r-oldrel: MGMM_1.0.1.1.zip
macOS binaries: r-release (arm64): MGMM_1.0.1.1.tgz, r-oldrel (arm64): MGMM_1.0.1.1.tgz, r-release (x86_64): MGMM_1.0.1.1.tgz, r-oldrel (x86_64): MGMM_1.0.1.1.tgz
Old sources: MGMM 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.