The Biobjective Bike-Sharing Rebalancing Problem with Balance Intervals: A Multistart Multiobjective Particle Swarm Optimization Algorithm

Table 6

Results of IGD for three instances.

		MS-MOPSO	HNSGA-II	MOPSO
Instance 4	Best	0.007	0.00005	0.0194
	Worst	0.019	0.0257	0.1974
	Average	0.0081	0.0154	0.0874
	Variance	1.190E − 05	6.793E − 05	4.533E − 03
Instance 8	Best	0.0054	0.0204	0.0505
	Worst	0.0146	0.0523	0.1018
	Average	0.0093	0.0338	0.0738
	Variance	8.860E − 06	8.810E − 05	2.609E − 04
Instance 12	Best	0.0127	0.0522	0.1183
	Worst	0.0538	0.1202	0.1981
	Average	0.0301	0.0799	0.1533
	Variance	0.0001	0.0003	0.0008