Research Article
Dynamic Path Planning of Emergency Vehicles Based on Travel Time Prediction
Table 3
Test errors of the SFLA-KC and the kernel clustering algorithm.
| The sample number | Mean absolute error (km/h) | SFLA-KC optimized error reduction | SFLA-KC optimized error reduction rate | SFLA-KC | Kernel clustering algorithm |
| 1 | 2.72 | 4.06 | 1.34 | 33% | 2 | 2.64 | 4.12 | 1.48 | 36% | 3 | 2.88 | 4.24 | 1.36 | 32% | 4 | 3.03 | 4.43 | 1.4 | 32% | 5 | 2.18 | 3.78 | 1.6 | 42% | 6 | 1.97 | 3.59 | 1.62 | 45% | 7 | 2.96 | 4.32 | 1.36 | 31% | 8 | 2.58 | 4.26 | 1.68 | 39% | 9 | 2.77 | 4.19 | 1.42 | 34% | 10 | 2.62 | 4.27 | 1.65 | 39% | 11 | 3.12 | 4.68 | 1.56 | 33% | 12 | 2.02 | 3.88 | 1.86 | 48% | 13 | 1.98 | 3.92 | 1.94 | 49% | 14 | 2.89 | 4.49 | 1.6 | 36% | 15 | 2.54 | 3.98 | 1.44 | 36% | 16 | 2.37 | 4.26 | 1.89 | 44% | 17 | 2.79 | 4.72 | 1.93 | 41% | 18 | 2.99 | 4.63 | 1.64 | 35% | 19 | 1.93 | 3.84 | 1.91 | 50% | 20 | 2.21 | 4.01 | 1.8 | 45% | Average | 2.56 | 4.18 | 1.62 | 39% |
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