Table 7.
Optimal numbers of different features after selection for Dataset I.
| Features | MV | FFT | Db1 | Db2 | Db3 | Db4 | Db5 | |
|---|---|---|---|---|---|---|---|---|
| Distance metrics | COS | 15 | 18 | 21 | 10 | 10 | 36 | 74 |
| COR | 14 | 26 | 25 | 23 | 18 | 49 | 109 |
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