Table 8.
Results of Friedman test on 23 benchmark functions.
| Function | Dimension | SRGS-EHO | EHO | WOA | EO | HHO | CSO | GWO | SFO | IEHO | |
|---|---|---|---|---|---|---|---|---|---|---|---|
| F1–F13 | 30 | Friedman value | 2.462 | 4.682 | 5.218 | 4.231 | 5.769 | 6.769 | 5.615 | 5.231 | 5.077 |
| Friedman rank | 1 | 3 | 5 | 2 | 8 | 9 | 7 | 6 | 4 | ||
| 50 | Friedman value | 2.615 | 4.846 | 5.308 | 4.692 | 5.385 | 5.462 | 6.154 | 4.154 | 6.385 | |
| Friedman rank | 1 | 4 | 5 | 3 | 6 | 7 | 8 | 2 | 9 | ||
| 100 | Friedman value | 2.279 | 4.154 | 6.538 | 5.149 | 4.615 | 6.154 | 4.308 | 5.846 | 5.923 | |
| Friedman rank | 1 | 2 | 9 | 5 | 4 | 8 | 3 | 6 | 7 | ||
|
| |||||||||||
| F14–F23 | Fixed | Friedman value | 1.925 | 3.731 | 5.975 | 6.626 | 5.737 | 6.442 | 3.858 | 5.622 | 5.404 |
| Friedman rank | 1 | 2 | 7 | 9 | 6 | 8 | 3 | 5 | 4 | ||