Research Article
Coordinate Descent-Based Sparse Nonnegative Matrix Factorization for Robust Cancer-Class Discovery and Microarray Data Analysis
1: Inputs: datamatrix ; | 2: Initialize and scale; | 3: Set sparsity parameter | 4: repeat | 5: for: do | 6: ; | 7: Use (7) to update ; | 8: ifthen | 9: ; | 10: end if | 11: Repeat steps 6 to 10 using (9) to update ; | 12: end for | 13: until Stopping condition. |
|