Reducing microarray data via nonnegative matrix factorization for visualization and clustering analysis.
Weixiang LiuKehong YuanDatian YePublished in: J. Biomed. Informatics (2008)
Keyphrases
- clustering analysis
- nonnegative matrix factorization
- microarray data
- microarray
- cluster analysis
- gene expression
- negative matrix factorization
- gene selection
- matrix factorization
- clustering method
- data analysis
- gene expression data
- spectral clustering
- gene expression profiles
- data representation
- document clustering
- high dimensionality
- principal component analysis
- microarray datasets
- least squares
- data clustering
- k means
- objective function
- fuzzy clustering
- data sets
- high dimensional
- database
- original data
- anomaly detection
- unsupervised learning
- object recognition
- pairwise
- knowledge discovery
- reinforcement learning
- data mining
- real world
- neural network
- semi supervised