Improving Vector Evaluated Particle Swarm Optimisation Using Multiple Nondominated Leaders

Table 6

Algorithm performance tested on ZDT6 problem.

Measure		VEPSO	VEPSOnds	VEPSOml1	VEPSOml2
NS	Ave.	76.590000	78.040000	86.920000	88.590000
	SD	32.884891	26.684055	23.586368	23.600674
	Min.	11.000000	22.000000	25.000000	16.000000
	Max.	100.000000	100.000000	100.000000	100.000000
GD	Ave.	0.338537	0.260666	0.217503	0.217929
	SD	0.370336	0.158592	0.214344	0.263966
	Min.	0.001746	0.044137	0.031135	0.000482
	Max.	1.552521	0.709692	1.184075	1.316312
SP	Ave.	1.201796	1.276529	1.301493	1.273612
	SD	0.146782	0.083293	0.085611	0.186562
	Min.	0.492064	0.987981	0.931549	0.082405
	Max.	1.435395	1.437289	1.430321	1.439400
HV	Ave.	0.304584	0.303381	0.303676	0.315964
	SD	0.134813	0.102216	0.123985	0.121842
	Min.	0.000000	0.038143	0.000779	0.000001
	Max.	0.400964	0.400780	0.401403	0.401483