Nonparametric Tikhonov Regularized NMF and Its Application in Cancer Clustering.
Andri MirzalPublished in: IEEE ACM Trans. Comput. Biol. Bioinform. (2014)
Keyphrases
- nonnegative matrix factorization
- document clustering
- negative matrix factorization
- matrix factorisation
- clustering method
- spectral clustering
- clustering algorithm
- regularization method
- bregman divergences
- k means
- information theoretic
- gene expression profiles
- data clustering
- density estimation
- dirichlet process mixture models
- regularization methods
- self organizing maps
- hierarchical clustering
- matrix factorization
- gene selection
- sparsity constraints
- breast cancer
- data driven
- data sets
- frequent sets
- principal component analysis
- probabilistic latent semantic analysis
- normalized cut
- early detection
- unsupervised learning
- regularization term
- cluster analysis