Different Transfer Functions for Binary Particle Swarm Optimization with a New Encoding Scheme for Discounted {0-1} Knapsack Problem

Table 6

Average ranks of 8 BPSO algorithms on 40 instances.

Index	Algorithm	Average best rank	Average mean rank	Average worst rank
1	BPSO1	5.0	5.1	4.8
2	BPSO2	6.1	5.9	5.3
3	BPSO3	6.9	6.7	5.8
4	BPSO4	8.0	7.2	6.3
5	BPSO5	2.7	3.1	3.4
6	BPSO6	2.5	2.6	3.6
7	BPSO7	2.5	3.4	3.4
8	BPSO8	2.2	2.0	3.5