Table 8.

Results of IGD metric for WFG problems.

Problem	M	D	MaOALO	MaOPSO	MaOSOS	MaOMVO	NSGA-III	MaOMPA
WFG1	5	14	1.3121 ± 0.210	1.2991 ± 0.190	1.2490 ± 0.0869	1.2221 ± 0.131	1.3190 ± 0.0932	0.82160 ± 0.0547
	7	16	1.8111 ± 0.144	1.8523 ± 0.177	1.5342 ± 0.114	2.0687 ± 0.214	1.7773 ± 0.184	1.2237 ± 0.0620
WFG2	5	14	0.52196 ± 0.0105	0.52245 ± 0.0222	0.50760 ± 0.00789	0.83375 ± 0.0563	0.50608 ± 0.0113	0.50794 ± 0.0107
	7	16	0.93491 ± 0.0742	0.84288 ± 0.0556	0.87093 ± 0.0322	1.8378 ± 0.280	0.84085 ± 0.0157	0.82816 ± 0.0142
WFG3	5	14	0.73275 ± 0.0649	0.72681 ± 0.0938	0.82682 ± 0.114	0.76119 ± 0.101	0.89805 ± 0.0769	0.55459 ± 0.0395
	7	16	0.81544 ± 0.281	1.1664 ± 0.0586	1.6205 ± 0.0489	1.5918 ± 0.216	0.84288 ± 0.0345	0.84514 ± 0.0878
WFG4	5	14	1.2697 ± 0.00929	1.2581 ± 0.0105	1.2203 ± 0.00302	1.2100 ± 0.00982	1.2294 ± 0.00597	1.1982 ± 0.0142
	7	16	2.7721 ± 0.0714	2.5806 ± 0.0332	2.7509 ± 0.220	2.5554 ± 0.0189	2.6313 ± 0.0131	2.6233 ± 0.0392
WFG5	5	14	1.2696 ± 0.0221	1.2561 ± 0.0177	1.2077 ± 0.00334	1.1948 ± 0.00648	1.2091 ± 0.00712	1.2352 ± 0.00822
	7	16	2.6563 ± 0.00329	2.6900 ± 0.0415	2.6280 ± 0.0183	2.5415 ± 0.0315	2.5685 ± 0.0122	2.5929 ± 0.0330
WFG6	5	14	1.3241 ± 0.0230	1.3040 ± 0.0217	1.2353 ± 0.00556	1.2387 ± 0.0168	1.2371 ± 0.00644	1.2680 ± 0.0236
	7	16	2.8373 ± 0.132	2.7803 ± 0.0693	2.6550 ± 0.0183	2.5956 ± 0.0373	2.6369 ± 0.0170	2.7012 ± 0.0246
WFG7	5	14	1.2938 ± 0.00875	1.2636 ± 0.00981	1.2383 ± 0.00598	1.2629 ± 0.0167	1.2482 ± 0.0119	1.2619 ± 0.0237
	7	16	2.6793 ± 0.0173	2.5931 ± 0.0528	2.6440 ± 0.0182	2.6297 ± 0.0449	2.6264 ± 0.0148	2.6866 ± 0.0172
WFG8	5	14	1.3512 ± 0.0104	1.3332 ± 0.0216	1.2765 ± 0.0101	1.3055 ± 0.0291	1.3026 ± 0.00874	1.3003 ± 0.0161
	7	16	2.7561 ± 0.172	2.7775 ± 0.0212	2.6999 ± 0.0248	2.7132 ± 0.0214	2.6508 ± 0.0221	2.6508 ± 0.0285
WFG9	5	14	1.2693 ± 0.0103	1.2622 ± 0.0274	1.2237 ± 0.0118	1.2564 ± 0.0194	1.1989 ± 0.0144	1.1971 ± 0.00488
	7	16	2.5677 ± 0.0379	2.5958 ± 0.0261	2.5686 ± 0.0136	2.7492 ± 0.0745	2.5386 ± 0.0574	2.5182 ± 0.0332

Significant values are in bold.