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An Improved EM algorithm
Sensitivity analysis Convergence analysis Expectation Maximization K-means K-medoids
2013/6/14
In this paper, we firstly give a brief introduction of expectation maximization (EM) algorithm, and then discuss the initial value sensitivity of expectation maximization algorithm. Subsequently, we g...
An EM Algorithm for Continuous-time Bivariate Markov Chains
Parameter estimation EM algorithm Continuous-time bivariate Markov chain
2011/7/19
We study properties and parameter estimation of finite-state homogeneous continuous-time bivariate Markov chains.
The expectation-maximization (EM) algorithm introduced by Dempster et al [12] in 1977 is a
very general method to solve maximum likelihood estimation problems. In this informal report,
we review the...
PERFORMANCE OF THE EM ALGORITHM ON THE IDENTIFICATION OF A MIXTURE OF WATSON DISTRIBUTIONS DEFINED ON THE HYPERSPHERE
EM algorithm mixture principal components Watson distribution
2009/2/25
We consider a set of n individuals described by p standardised variables, and we sup-pose that the individuals are previously selected from a population and the variables are a sample of variables ass...