A New Imperialist Competitive Algorithm for Multiobjective Low Carbon Parallel Machines Scheduling

Table 6

Experimental results of Wilcoxon signed-rank test for new ICA and ACO.

New ICA-ACO	Number	Mean rank	Sum of ranks
Negative ranks	30	15.50	465.00
Positive ranks	0	0.00	0.00
Ties	1
Total	31