Research Article
The Improved Least Square Support Vector Machine Based on Wolf Pack Algorithm and Data Inconsistency Rate for Cost Prediction of Substation Projects
Table 2
The forecasting values and actual values of the test set (unit: yuan/kV·A).
| Serial number | Actual value | BPNN | SVM | LSSVM | ILSSVM | WPA-DIR-ILSSVM |
| 67 | 271.7 | 286.4 | 287.1 | 284.6 | 280.5 | 268.6 | 68 | 262.6 | 251.3 | 273.1 | 255.3 | 269.6 | 264.2 | 69 | 253.5 | 270.0 | 239.6 | 264.0 | 259.6 | 255.9 | 70 | 244.5 | 225.6 | 254.5 | 259.5 | 239.7 | 247.2 | 71 | 235.4 | 251.4 | 245.9 | 246.5 | 243.1 | 236.7 | 72 | 326.3 | 335.6 | 335.2 | 341.1 | 335.7 | 330.5 | 73 | 217.2 | 208.3 | 201.8 | 203.6 | 211.6 | 215.6 | 74 | 208.1 | 219.0 | 216.5 | 218.0 | 213.9 | 209.5 | 75 | 199.1 | 210.2 | 195.2 | 208.6 | 204.9 | 200.6 | 76 | 390.0 | 376.9 | 395.6 | 398.5 | 381.6 | 387.6 | 77 | 280.9 | 296.1 | 294.8 | 269.6 | 285.6 | 280.5 | 78 | 285.1 | 302.8 | 269.6 | 296.9 | 295.0 | 288.0 | 79 | 289.4 | 271.9 | 302.1 | 303.2 | 280.2 | 293.1 | 80 | 293.7 | 310.5 | 281.0 | 285.6 | 302.8 | 291.3 | 81 | 297.9 | 313.7 | 312.3 | 311.1 | 307.6 | 298.1 | 82 | 402.2 | 412.5 | 389.5 | 385.6 | 413.6 | 405.9 | 83 | 306.4 | 325.3 | 321.6 | 322.6 | 303.7 | 309.7 | 84 | 310.7 | 298.7 | 327.0 | 292.7 | 320.2 | 309.1 | 85 | 274.9 | 290.3 | 287.2 | 288.6 | 283.2 | 276.7 | 86 | 319.2 | 338.1 | 302.9 | 323.5 | 307.5 | 318.6 | 87 | 283.4 | 300.1 | 295.7 | 270.6 | 293.2 | 283.6 | 88 | 369.5 | 350.2 | 385.9 | 387.1 | 380.9 | 372.0 |
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