Research Article
Improving the Solution of Least Squares Support Vector Machines with Application to a Blast Furnace System
Table 3
Experimental results of three methods on Abalone data set.
| | | Abalone data set, 4177 samples, 7-d inputs, equals 7 | |
Conjugate gradient method | Null space method | MINRES method | | | Cond | CPU | MSE | Cond | CPU | MSE | Cond | CPU | MSE |
| | 42.341 | 20.343 | 5.3623 | 2955.9655 | 39.7344 | 5.3623 | 369.9433 | 12.9531 | 5.3623 | | 84.059 | 22.984 | 5.1143 | 3028.4495 | 41.1406 | 5.1143 | 332.0862 | 14.2344 | 5.1143 | | 167.846 | 26.343 | 4.7978 | 3043.4615 | 42.6719 | 4.7978 | 306.5691 | 16.0156 | 4.7978 | | 337.691 | 33.281 | 4.6923 | 3567.1431 | 46.8125 | 4.6923 | 338.1679 | 18.4688 | 4.6923 | | 666.823 | 39.315 | 4.4360 | 4888.3227 | 50.8438 | 4.4360 | 667.7842 | 22.3125 | 4.4360 | | 0 | 1327.351 | 47.531 | 4.4744 | 5355.5805 | 54.6563 | 4.4744 | 1329.291 | 26.2656 | 4.4744 | | 1 | 2700.547 | 58.015 | 4.4217 | 9894.2450 | 59.8438 | 4.4217 | 2704.345 | 34.1719 | 4.4217 | | 2 | 5275.703 | 74.859 | 4.3948 | 8239.2388 | 69.2031 | 4.3948 | 5283.506 | 42.5469 | 4.3948 | | 3 | 10709.216 | 94.765 | 4.4169 | 18279.897 | 80.4219 | 4.4169 | 10724.46 | 54.7813 | 4.4169 | | 4 | 21357.750 | 124.359 | 4.5053 | 24472.420 | 97.7500 | 4.5053 | 21388.43 | 71.3906 | 4.5053 | | 5 | 42427.822 | 177.171 | 4.6144 | 105161.60 | 133.2656 | 4.6144 | 42489.70 | 103.6406 | 4.6144 | | 6 | 85153.757 | 221.468 | 4.6857 | 185913.18 | 155.9219 | 4.6857 | 85276.97 | 129.3750 | 4.6857 | | 7 | 171369.064 | 312.078 | 4.7145 | 212162.90 | 212.4531 | 4.7145 | 171614.1 | 181.8750 | 4.7145 | | 8 | 344731.082 | 430.640 | 4.8621 | 705659.56 | 289.4531 | 4.8621 | 345216.0 | 260.5469 | 4.8621 | | 9 | 681509.920 | 602.765 | 5.2294 | 1162595.7 | 395.6250 | 5.2294 | 682494.5 | 360.5625 | 5.2294 | | 10 | 1363883.053 | 840.625 | 5.6517 | 3106655.0 | 549.4844 | 5.6517 | 1365853 | 488.6250 | 5.6517 |
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