Research Article
A Compound Structure for Wind Speed Forecasting Using MKLSSVM with Feature Selection and Parameter Optimization
Table 4
Feature selection results obtained by HGSA algorithm.
| | Data set | Time series | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 |
| | A | Original | 1 | 1 | 1 | 0 | 1 | 0 | 1 | | | | | | | | | | IMF1 | 1 | 1 | 0 | 1 | 1 | 1 | 0 | 1 | 1 | 0 | 1 | | | | | | IMF2 | 1 | 1 | 1 | 1 | 0 | 0 | 1 | 1 | 1 | 1 | | | | | | | IMF3 | 1 | 1 | 0 | 1 | 1 | 0 | 1 | 1 | 1 | 1 | 1 | 0 | 1 | 1 | 1 | | IMF4 | 1 | 1 | 1 | 0 | 1 | 1 | 0 | 1 | | | | | | | | | IMF5 | 1 | 0 | 1 | 0 | 1 | 1 | 1 | 0 | 1 | 1 | 1 | 1 | | | | | IMF6 | 1 | 1 | 0 | 1 | 1 | 0 | 1 | | | | | | | | | | Res | 1 | 1 | 0 | 1 | 1 | 1 | 1 | 1 | | | | | | | |
| | B | Original | 1 | 0 | 1 | 1 | 1 | 1 | 1 | 1 | | | | | | | | | IMF1 | 1 | 0 | 1 | 1 | 1 | 1 | 1 | 1 | 0 | 1 | | | | | | | IMF2 | 1 | 1 | 0 | 1 | 0 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 0 | | | | IMF3 | 1 | 0 | 1 | 1 | 1 | 1 | 1 | 1 | 0 | 0 | 1 | 1 | 1 | 1 | | | IMF4 | 1 | 1 | 0 | 1 | 1 | 0 | 1 | 1 | 1 | 1 | 1 | | | | | | IMF5 | 1 | 1 | 1 | 0 | 1 | 1 | 0 | 1 | | | | | | | | | IMF6 | 1 | 1 | 0 | 1 | 1 | 1 | 1 | | | | | | | | | | Res | 1 | 0 | 1 | 1 | 1 | 1 | 0 | 1 | 1 | | | | | | |
| | C | Original | 1 | 1 | 1 | 0 | 1 | 1 | 1 | | | | | | | | | | IMF1 | 1 | 0 | 1 | 1 | 0 | 1 | 1 | 0 | 1 | 1 | 1 | | | | | | IMF2 | 1 | 0 | 1 | 1 | 1 | 1 | 0 | 1 | 1 | | | | | | | | IMF3 | 1 | 1 | 1 | 0 | 1 | 1 | 0 | 1 | 1 | 1 | | | | | | | IMF4 | 1 | 1 | 0 | 1 | 1 | 1 | 1 | | | | | | | | | | IMF5 | 1 | 1 | 1 | 1 | 0 | 1 | 1 | 1 | 1 | 1 | 0 | 0 | 1 | | | | IMF6 | 1 | 1 | 0 | 1 | 1 | 1 | 1 | 0 | 1 | | | | | | | | Res | 1 | 0 | 1 | 1 | 1 | 1 | | | | | | | | | |
| | D | Original | 1 | 1 | 1 | 0 | 1 | 1 | | | | | | | | | | | IMF1 | 1 | 0 | 1 | 1 | 1 | 1 | 0 | 1 | 1 | 0 | 1 | | | | | | IMF2 | 1 | 0 | 1 | 1 | 0 | 1 | 1 | 0 | 1 | 1 | | | | | | | IMF3 | 1 | 0 | 1 | 1 | 1 | 0 | 1 | 1 | | | | | | | | | IMF4 | 1 | 1 | 1 | 0 | 1 | 1 | 1 | 1 | | | | | | | | | IMF5 | 1 | 1 | 0 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | | | | | | | IMF6 | 1 | 1 | 0 | 1 | 0 | 1 | 1 | 1 | 1 | | | | | | | | Res | 1 | 0 | 1 | 1 | 1 | 1 | 1 | 1 | 0 | 1 | | | | | |
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1 stands for selection, 0 represents discard. |
