Sparse Orthogonal Nonnegative Matrix Factorization for Identifying Differentially Expressed Genes and Clustering Tumor Samples.
Ling-Yun DaiJin-Xing LiuRong ZhuXiang-Zhen KongMi-Xiao HouShasha YuanPublished in: BIBM (2018)
Keyphrases
- nonnegative matrix factorization
- sparsity constraints
- nonnegative matrix
- differentially expressed genes
- probabilistic latent semantic indexing
- spectral clustering
- negative matrix factorization
- matrix factorization
- document clustering
- data representation
- least squares
- principal component analysis
- clustering algorithm
- microarray
- data sets
- microarray data analysis
- sparse representation
- original data
- gene expression
- microarray data
- data clustering
- clustering method
- high dimensional
- data matrix
- k means
- objective function
- highly correlated
- data points