Research Article
Improving Vector Evaluated Particle Swarm Optimisation Using Multiple Nondominated Leaders
Table 2
Algorithm performance tested on ZDT1 problem.
| Measure | VEPSO | VEPSOnds | VEPSOml1 | VEPSOml2 |
| NS | Ave. | 30.220000 | 100.000000 | 99.490000 | 98.820000 | SD | 5.697031 | 0.000000 | 3.942760 | 6.979595 | Min. | 16.000000 | 100.000000 | 63.000000 | 47.000000 | Max. | 44.000000 | 100.000000 | 100.000000 | 100.000000 |
| GD | Ave. | 0.295865 | 0.022637 | 0.002730 | 0.000497 | SD | 0.051645 | 0.014201 | 0.006219 | 0.002213 | Min. | 0.139491 | 0.000283 | 0.000045 | 0.000047 | Max. | 0.432478 | 0.073477 | 0.031891 | 0.015598 |
| SP | Ave. | 0.834481 | 0.729350 | 0.212479 | 0.182157 | SD | 0.039111 | 0.160298 | 0.149696 | 0.113453 | Min. | 0.705367 | 0.322322 | 0.106082 | 0.109998 | Max. | 0.917087 | 1.219625 | 0.738619 | 0.779572 |
| HV | Ave. | 0.001886 | 0.428153 | 0.628841 | 0.657830 | SD | 0.010058 | 0.113432 | 0.078273 | 0.023359 | Min. | — | 0.185313 | 0.283932 | 0.456556 | Max. | 0.087426 | 0.659603 | 0.662065 | 0.662022 |
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