Missingness Aware Gaussian Mixture Models


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Documentation for package ‘MGMM’ version 0.3.1

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CalcWorkResp Generate Working Response
CalHar Calinski-Harabaz Index
CalHar.within_cluster_disp Within Cluster Dispersion
ChooseK Cluster Number Selection
ChooseK.bootstrap Bootstrap Quality Metrics.
ChooseK.iter Attempt Model Fit and Return Quality Metrics.
ChooseK.recommend Recommend Cluster Number based on Bootstrap Results.
ChooseK.summarize Summarize Results of Quality Metric Bootstrap.
ClustQual Cluster Quality
ClustQual.partition_by_clust Partition Data by Cluster Assignment.
DavBou Davies-Bouldin Index
DavBou.clust_diameter Mean Cluster Diameter
eigSym Eigenvalues of Symmetric Matrix.
ExpResidOP Expected Residual Outer Product
fit.GMM Estimate Multivariate Normal Mixture
fit.mix Fit Multivariate Mixture Distribution
fit.mix.miss.impute Imputation for Mixutre of MVNs with Missingness.
fit.mix.miss.init Parameter Initialization for Mixture of Multivariate Normals.
fit.mix.miss.update Parameter Update for Mixutre of MVNs with Missingness.
fit.mix.miss.update.means Mean Update for Mixture of MVNs with Missingness.
fit.mvn Fit Multivariate Normal Distribution
fit.mvn.miss Estimation for a Single Component Multivariate Normal with Missingness.
fit.mvn.miss.impute Imputation for a Single Component Multivariate Normal with Missingness.
fit.mvn.miss.init Parameter Initialization for Single Component Multivariate Normal with Missingness.
fit.mvn.miss.update Parameter Update for Single Component Multivariate Normal with Missingness.
fit.mvn.no_miss Estimation for a Single Component Multivariate Normal with No Missingness.
matCov Covariance
matDet Matrix Determinant
matInv Matrix Inverse
matIP Matrix Inner Product
matOP Matrix Outer Product
matQF Quadratic Form
Maximization Maximization Iteration.
MGMM MGMM: Missingness Aware Gaussian Mixture Models
mix-class Mixture Model Class
MixClusterAssign Cluster Assignment for Mixutre of MVNs with Missingness.
MixClusterSizes Cluster Sizes for a Mixutre of MVNs.
MixEMObj EM Objective for a Mixture of MVNs.
MixResidOP Expected Residual Outer Product for a Mixutre of MVNs.
MMP Matrix Matrix Product
PartitionData Paratition a Data.frame by Missingness cases.
print.mix Print for Fitted Mixture Model
Responsibility Responsibilities
Responsibility.eval_dens_incomp Evaluate the Density of an Incomplete Observations
rGMM Data Generation from Multivariate Normal Mixture Models
SchurC Schur complement
show-method Show for Fitted Mixture Models
tr Matrix Trace
WorkResp Working Response Vectors