Research Article
Reconstruct the Support Vectors to Improve LSSVM Sparseness for Mill Load Prediction
Table 3
Experimental results on benchmark data sets.
| Data sets | Algorithms | RMSE | SV | Training time (s) | Testing time (s) |
| Chwirut1
| NLSSVM | 0.014 ± 0.001 | 150 | 0.043 ± 0.009 | 0.023 ± 0.004 | RCLSSVR | 0.015 ± 0.002 | 12 | 0.241 ± 0.072 | 0.001 ± 0.000 | DRCLSSVR | 0.016 ± 0.001 | 9 | 0.250 ± 0.076 | 0.001 ± 0.000 | SLSSVM | 0.017 ± 0.002 | 42 | 0.484 ± 0.051 | 0.001 ± 0.000 | PLSSVM | 0.017 ± 0.000 | 12 | 43.094 ± 1.377 | 0.001 ± 0.000 | IRRLSSVM | 0.016 ± 0.002 | 16 | 0.313 ± 0.045 | 0.001 ± 0.000 |
| Nelson
| NLSSVM | 0.016 ± 0.001 | 90 | 0.020 ± 0.006 | 0.005 ± 0.004 | RCLSSVR | 0.016 ± 0.001 | 16 | 0.376 ± 0.014 | 0.001 ± 0.000 | DRCLSSVR | 0.017 ± 0.002 | 11 | 0.412 ± 0.036 | 0.001 ± 0.000 | SLSSVM | 0.019 ± 0.005 | 50 | 0.219 ± 0.043 | 0.003 ± 0.001 | PLSSVM | 0.019 ± 0.001 | 130 | 12.971 ± 1.364 | 0.002 ± 0.000 | IRRLSSVM | 0.018 ± 0.000 | 16 | 0.166 ± 0.006 | 0.001 ± 0.000 |
| Boston Housing
| NLSSVM | 0.012 ± 0.001 | 400 | 0.062 ± 0.012 | 0.023 ± 0.006 | RCLSSVR | 0.012 ± 0.001 | 66 | 2.660 ± 0.107 | 0.003 ± 0.001 | DRCLSSVR | 0.014 ± 0.001 | 48 | 2.705 ± 0.030 | 0.002 ± 0.001 | SLSSVM | 0.015 ± 0.001 | 223 | 1.680 ± 0.127 | 0.005 ± 0.001 | PLSSVM | 0.014 ± 0.000 | 92 | 497.73 ± 16.52 | 0.004 ± 0.001 | IRRLSSVM | 0.014 ± 0.001 | 62 | 3.680 ± 0.221 | 0.002 ± 0.001 |
| Bodyfat
| NLSSVM | 0.004 ± 0.002 | 180 | 0.024 ± 0.000 | 0.004 ± 0.000 | RCLSSVR | 0.004 ± 0.002 | 18 | 0.407 ± 0.153 | 0.001 ± 0.000 | DRCLSSVR | 0.004 ± 0.002 | 14 | 0.415 ± 0.171 | 0.001 ± 0.000 | SLSSVM | 0.006 ± 0.002 | 50 | 0.740 ± 0.054 | 0.001 ± 0.000 | PLSSVM | 0.005 ± 0.001 | 28 | 45.904 ± 6.650 | 0.001 ± 0.000 | IRRLSSVM | 0.004 ± 0.002 | 21 | 0.451 ± 0.049 | 0.001 ± 0.000 |
| Pyrimt
| NLSSVM | 0.125 ± 0.027 | 60 | 0.016 ± 0.008 | 0.004 ± 0.001 | RCLSSVR | 0.135 ± 0.007 | 9 | 0.064 ± 0.003 | 0.001 ± 0.000 | DRCLSSVR | 0.136 ± 0.007 | 8 | 0.068 ± 0.001 | 0.001 ± 0.000 | SLSSVM | 0.158 ± 0.071 | 16 | 0.343 ± 0.003 | 0.001 ± 0.000 | PLSSVM | 0.167 ± 0.016 | 4 | 4.397 ± 0.162 | 0.001 ± 0.000 | IRRLSSVM | 0.137 ± 0.001 | 8 | 0.487 ± 0.006 | 0.001 ± 0.001 |
| Yacht_hydrodynamics
| NLSSVM | 0.006 ± 0.001 | 210 | 0.063 ± 0.011 | 0.026 ± 0.007 | RCLSSVR | 0.006 ± 0.001 | 39 | 0.543 ± 0.175 | 0.002 ± 0.001 | DRCLSSVR | 0.010 ± 0.002 | 37 | 0.600 ± 0.150 | 0.002 ± 0.001 | SLSSVM | 0.107 ± 0.001 | 73 | 0.828 ± 0.212 | 0.003 ± 0.001 | PLSSVM | 0.007 ± 0.001 | 62 | 80.567 ± 2.001 | 0.003 ± 0.001 | IRRLSSVM | 0.012 ± 0.001 | 91 | 1.292 ± 0.306 | 0.004 ± 0.001 |
| Airfoil_self_noise
| NLSSVM | 0.010 ± 0.006 | 1200 | 0.242 ± 0.013 | 0.004 ± 0.012 | RCLSSVR | 0.011 ± 0.010 | 78 | 23.255 ± 3.245 | 0.003 ± 0.001 | DRCLSSVR | 0.011 ± 0.010 | 75 | 23.506 ± 3.412 | 0.003 ± 0.001 | SLSSVM | 0.012 ± 0.004 | 332 | 40.715 ± 4.671 | 0.004 ± 0.001 | PLSSVM | 0.012 ± 0.003 | 94 | 2e + 04 ± 5e + 03 | 0.003 ± 0.001 | IRRLSSVM | 0.012 ± 0.001 | 116 | 38.617 ± 2.313 | 0.004 ± 0.001 |
| Motorcycle
| NLSSVM | 0.021 ± 0.004 | 100 | 0.015 ± 0.005 | 0.002 ± 0.000 | RCLSSVR | 0.021 ± 0.004 | 10 | 0.072 ± 0.009 | 0.001 ± 0.000 | DRCLSSVR | 0.023 0.004 | 7 | 0.080 ± 0.016 | 0.001 ± 0.000 | SLSSVM | 0.032 ± 0.006 | 56 | 0.203 ± 0.073 | 0.002 ± 0.000 | PLSSVM | 0.024 ± 0.001 | 10 | 16.366 ± 2.044 | 0.001 ± 0.000 | IRRLSSVM | 0.022 ± 0.001 | 7 | 0.062 ± 0.012 | 0.001 ± 0.000 |
| MPG
| NLSSVM | 0.011 ± 0.003 | 300 | 0.016 ± 0.007 | 0.005 ± 0.002 | RCLSSVR | 0.012 ± 0.005 | 24 | 0.517 ± 0.011 | 0.001 ± 0.001 | DRCLSSVR | 0.013 ± 0.004 | 14 | 0.591 ± 0.017 | 0.001 ± 0.000 | SLSSVM | 0.022 ± 0.014 | 65 | 1.1600.270 | 0.001 ± 0.000 | PLSSVM | 0.016 ± 0.002 | 17 | 228.07 ± 10.36 | 0.001 ± 0.000 | IRRLSSVM | 0.012 ± 0.001 | 21 | 0.437 ± 0.007 | 0.001 ± 0.000 |
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