Nonlinear directed acyclic graph estimation based on the kernel partial correlation coefficient.
Qiying WuHuiwen WangShan LuPublished in: Inf. Sci. (2024)
Keyphrases
- correlation coefficient
- directed acyclic graph
- kernel pca
- standard deviation
- directed graph
- conditional independence
- equivalence class
- bayesian network structure
- correlation analysis
- principal components
- random variables
- root mean squared error
- kernel function
- root mean square error
- transitive closure
- kernel principal component analysis
- structural learning
- information gain
- causal models
- kernel methods
- intuitionistic fuzzy sets
- equivalence classes
- chi square
- rough sets
- feature space
- face recognition
- connected subgraphs
- bayesian network structures
- probabilistic model
- support vector