Research Article
The Prediction of Metro Shield Construction Cost Based on a Backpropagation Neural Network Improved by Quantum Particle Swarm Optimization
Table 5
Error results of the ten-fold cross-validation.
| No. | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 |
| | 0.9980 | 0.9981 | 0.9979 | 0.9975 | 0.9983 | 0.9980 | 0.9976 | 0.9976 | 0.9981 | 0.9982 | (%) | 1.29 | 1.29 | 1.30 | 1.34 | 1.27 | 1.29 | 1.33 | 1.33 | 1.28 | 1.27 | | 6.4363 | 6.6789 | 6.5973 | 6.7910 | 6.4672 | 6.4780 | 6.3789 | 6.4789 | 6.2671 | 6.6781 | | 6.078 | 6.3819 | 6.3891 | 6.4768 | 6.305 | 6.2673 | 6.3731 | 6.2781 | 5.7378 | 6.2789 |
|
|