PAN-LDA: A latent Dirichlet allocation based novel feature extraction model for COVID-19 data using machine learning.
Aakansha GuptaRahul KataryaPublished in: Comput. Biol. Medicine (2021)
Keyphrases
- latent dirichlet allocation
- topic models
- feature extraction
- lda model
- machine learning
- generative model
- data analysis
- generative process
- probabilistic model
- probabilistic latent semantic analysis
- topic modeling
- hierarchical bayesian model
- gibbs sampling
- variational inference
- prior information
- latent variable models
- topic discovery
- variational bayesian inference
- probability distribution
- pattern recognition
- high dimensional data
- latent topics
- knowledge discovery
- dirichlet process
- latent factors
- prior knowledge
- latent topic model