Research Article
A Novel Approach for Blast-Induced Flyrock Prediction Based on Imperialist Competitive Algorithm and Artificial Neural Network
Table 2
Mean and minimum cost of imperialists for different models.
| Model number | Country/imperialist | Number of countries | Number of imperialists | Mean cost of imperialists | Minimum cost of imperialists | Coefficient of determination | Root mean square error |
| 1 | 2.7 | 8 | 3 | 0.073 | 0.073 | 0.880 | 0.241 | 2 | 4.0 | 16 | 4 | 0.074 | 0.074 | 0.882 | 0.240 | 3 | 4.8 | 24 | 5 | 0.078 | 0.078 | 0.856 | 0.250 | 4 | 5.3 | 32 | 6 | 0.092 | 0.092 | 0.842 | 0.255 | 5 | 5.7 | 40 | 7 | 0.075 | 0.073 | 0.878 | 0.241 | 6 | 6.0 | 48 | 8 | 0.079 | 0.070 | 0.896 | 0.235 | 7 | 6.2 | 56 | 9 | 0.063 | 0.063 | 0.924 | 0.224 | 8 | 6.4 | 64 | 10 | 0.080 | 0.073 | 0.878 | 0.241 | 9 | 6.5 | 72 | 11 | 0.075 | 0.069 | 0.899 | 0.233 | 10 | 6.7 | 80 | 12 | 0.077 | 0.071 | 0.892 | 0.236 | 11 | 6.8 | 88 | 13 | 0.079 | 0.074 | 0.876 | 0.242 | 12 | 6.9 | 96 | 14 | 0.083 | 0.063 | 0.922 | 0.224 | 13 | 6.9 | 104 | 15 | 0.083 | 0.064 | 0.920 | 0.225 | 14 | 7.0 | 112 | 16 | 0.077 | 0.070 | 0.894 | 0.235 | 15 | 7.1 | 120 | 17 | 0.082 | 0.072 | 0.886 | 0.238 | 16 | 7.1 | 128 | 18 | 0.077 | 0.065 | 0.913 | 0.228 | 17 | 7.2 | 136 | 19 | 0.078 | 0.063 | 0.931 | 0.225 | 18 | 7.2 | 144 | 20 | 0.078 | 0.068 | 0.899 | 0.234 | 19 | 7.2 | 152 | 21 | 0.079 | 0.067 | 0.902 | 0.232 | 20 | 7.3 | 160 | 22 | 0.075 | 0.067 | 0.906 | 0.231 |
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