Table 6:
Kruskal-Willis ranks for the proposed methods.
Methods
Number of datasets
Mean rank based on accuracy (Euclidean distance)
Mean rank based on accuracy (the Manhattan distance)
Mean rank based on accuracy (the Chebyshev distance)
SOM
5
3.60
4.60
6.00
ESOM
5
8.40
7.60
7.00
SOMPSO
5
14.20
14.40
13.80
ESOMPSO
5
15.80
15.40
15.20
Total
20
𝑃
-value
0.004
0.008
0.025