A block EM algorithm for multivariate skew normal and skew t-mixture models.
Sharon X. LeeKaleb L. LeemaqzGeoffrey J. McLachlanPublished in: CoRR (2016)
Keyphrases
- mixture model
- em algorithm
- expectation maximization
- finite mixtures
- finite mixture models
- gaussian mixture model
- generative model
- maximum likelihood
- mixture modeling
- parameter estimation
- maximum likelihood estimation
- density estimation
- probabilistic model
- hyperparameters
- log likelihood
- probability density function
- gaussian mixture
- likelihood function
- model based clustering
- hidden variables
- maximum a posteriori
- model selection
- finite mixture model
- unsupervised learning
- text mining
- semi supervised
- pairwise