Table 6 Parameters of training GEP model
Parameter | Parameter description | Parameter setting |
|---|---|---|
1 | Function set |  + , −, ÷ , *, sin, cos, x^2, x^3, power, |
2 | Chromosomes | 50 |
3 | Head size | 10 |
4 | Number of genes | 4 |
5 | Linking function | addition |
6 | Fitness function | Root relative square error (RRSE) |
7 | Mutation rate | 0.044 |
8 | Inversion rate | 0.1 |
9 | One-point recombination rate | 0.1 |
10 | Two-point recombination rate | 0.3 |
11 | Gene recombination rate | 0.1 |
12 | Gene transportation rete | 0.1 |