| CLRMC | Takes an incomplete matrix and returns the imputed matrix using CLRMC method. | 
| ECLRMC | Takes an incomplete matrix and returns the imputed matrix using ECLRMC method. | 
| LRMC | Takes an incomplete matrix and returns the imputed matrix using LRMC method. | 
| NRMS | Normalized Root Mean Square (NRMS) value of two matrices for evaluating their similarity (lower is better) |