A Novel Self-Adaptive Mixed-Variable Multiobjective Ant Colony Optimization Algorithm in Mobile Edge Computing

Table 6

Mean and standard deviation of generalized spread.

		Schaffer	Fonseca	Kursawe	ZDT1	ZDT2	ZDT3	Viennet2	Viennet3	Sum of ranks	Overall rank
NSGAII	Mean	—	0.2297	0.3980	0.5673	0.6321	0.5606	0.4579	0.4094	22	1
	Stdev	—	0.0311	0.0383	0.0649	0.1363	0.0703	0.0356	0.0335
	Rank	2	3	1	4	5	2	3	2
SPEA2	Mean	—	0.1948	0.4531	0.6467	0.7259	0.7707	0.2058	0.5898	31	4
	Stdev	—	0.0184	0.0529	0.0637	0.1715	0.1301	0.0247	0.0207
	Rank	2	1	2	6	7	7	1	5
SMPSO	Mean	—	0.2306	0.8257	0.4907	0.5718	0.5416	0.3143	0.2296	22	1
	Stdev	—	0.0156	0.0610	0.0437	0.0966	0.0528	0.0276	0.0269
	Rank	2	4	6	2	4	1	2	1
MOEAD	Mean	—	0.2958	0.5525	0.4562	0.4961	0.6611	—	—	33	6
	Stdev	—	0.0416	0.0561	0.0465	0.0540	0.0484	—	—
	Rank	2	5	4	1	1	6	7	7
NSGAIII	Mean	—	0.3346	0.8579	0.5899	0.7028	0.626	0.6129	0.9181	42	7
	Stdev	—	0.0355	0.0783	0.0729	0.1438	0.1078	0.0146	1.23E-02
	Rank	2	6	7	5	6	5	5	6
MOEA/D-IEpsilon	Mean	—	0.2166	0.5719	0.8105	0.5029	0.5857	0.8131	0.5781	32	5
	Stdev	—	0.0107	0.0527	0.0957	0.0440	0.0470	0.0583	0.0934
	Rank	2	2	5	7	2	4	6	4
SAMOACOMV	Mean	0.0958	0.4827	0.4747	0.5028	0.5278	0.5607	0.5403	0.4938	27	3
	Stdev	0.0006	0.0254	0.0447	0.0203	0.0166	0.0207	0.0099	0.0093
	Rank	1	7	3	3	3	3	4	3