| NMFN-package | Non-negative Matrix Factorization - Overview |
| distance2 | Euclidean Distance between two matrices |
| mpinv | Moore-Penrose Inverse |
| NMFN | Non-negative Matrix Factorization - Overview |
| nnmf | Non-negative Matrix Factorization |
| nnmf_als | Non-negative Matrix Factorization via alternating least squares |
| nnmf_mm | Non-negative Matrix Factorization via multiplicative update |
| nnmf_prob | Non-negative Matrix Factorization via multinomial |