Keyphrases
- matrix decomposition
- data matrix
- low rank
- nonnegative matrix factorization
- singular value decomposition
- low rank matrix
- matrix factorization
- singular values
- missing values
- original data
- gene expression data
- convex optimization
- data summarization
- missing data
- rows and columns
- latent structure
- barcode
- high dimensional data
- small number
- semi supervised
- sparse matrix
- hough transform
- least squares