An accelerated EM algorithm for mixture models with uncertainty for rating data.
Rosaria SimonePublished in: Comput. Stat. (2021)
Keyphrases
- mixture model
- em algorithm
- gaussian mixture model
- expectation maximization
- maximum likelihood
- finite mixture models
- incomplete data
- density estimation
- generative model
- mixture modeling
- hidden variables
- missing data
- gaussian mixture
- probabilistic model
- probability density function
- maximum likelihood estimation
- likelihood function
- finite mixtures
- parameter estimation
- hyperparameters
- model based clustering
- mixture components
- machine learning
- missing values
- prior knowledge
- pairwise
- training data
- image processing
- log likelihood
- feature selection
- information retrieval