# EMCluster v0.2-10

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## EM Algorithm for Model-Based Clustering of Finite Mixture Gaussian Distribution

EM algorithms and several efficient initialization methods for model-based clustering of finite mixture Gaussian distribution with unstructured dispersion in both of unsupervised and semi-supervised learning.

# EMCluster

• Author: Wei-Chen Chen and Ranjan Maitra

EMCluster is an R package providing EM algorithms and several efficient initialization methods for model-based clustering of finite mixture Gaussian distribution with unstructured dispersion in both of unsupervised and semi-supervised learning.

## Installation

EMCluster requires

• R version 3.0.0 or higher.
• R package MASS, Matrix.

The package can be installed from the CRAN via the usual install.packages("EMCluster"), or via the devtools package:

library(devtools)
install_github("snoweye/EMCluster")


## Functions in EMCluster

 Name Description Plot Multivariate Data Plot Multivariate Data Plot Projection and Contour Plot Contour MVN Density of (Mixture) Multivariate Normal Distribution Information Criteria Information Criteria for Model-Based Clustering Post I Information Functions Post I Information Functions of EMCluster Assign Class Assign Class Id LMT Functions Likelihood Mixture Test (LMT) Functions of EMCluster Conversion Convert Matrices in Different Format Print and Summary Functions for Printing or Summarizing Objects According to Classes Recolor Classification IDs Recolor Classification IDs EM Algorithm EM Algorithm for model-based clustering Other Initializations Other Initializations Jaccard Index Jaccard Index Rand Index Rand Index and Adjusted Rand Index Likelihood Mixture Tests Likelihood Mixture Tests Dataset Dataset for demonstrations Single Step Single E- and M-step Initialization and EM Initialization and EM Algorithm All Internal Functions All Internal Functions of EMCluster EMCluster-package EM Algorithm for Model-Based Clustering of Finite Mixture Gaussian Distribution EM Control EM Control Generator and Controller Projection On 2D Produce Projection on 2D Plot EM Results Plot Two Dimensional Data with clusters No Results!

## Vignettes of EMCluster

 Name EMCluster-include/00-defs.tex EMCluster-include/00-preamble.tex EMCluster-include/01-acknowledgement.tex EMCluster-include/01-introduction.tex EMCluster-include/02-em_init.tex EMCluster-include/03-example.tex EMCluster-include/EMCluster.bib EMCluster-include/allinit.pdf EMCluster-include/allinit_ss.pdf EMCluster-include/my_jss.cls EMCluster-guide.Rnw build_pdf.sh No Results!