Research Article
Multiobjective Simulation-Based Optimization Based on Artificial Immune Systems for a Distribution Center
Table 4
Spacing and error ratio values generated by the five algorithms (the best results are bolded).
| ā | SCMIA | MISA | NNIA | NSGA-II | SPEA2 | Mean (Standard Deviation) |
| Error Ratio (ER) | 0.71 (0.10) | 0.85 (0.16) | 0.78 (0.18) | 0.76 (0.14) | 0.74 (0.06) | Spacing () | 38.74 (10.97) | 58.02 (55.82) | 49.23 (26.10) | 51.85 (17.58) | 39.32 (37.16) |
|
|