TABLE III.
The correct classification percentages for data set 3 using different wavelet bases, feature sets, and k values for k-NN classifier
|
k |
|||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Wavelet Bases | Features | 1 | 3 | 5 | 7 | 9 | 1 | 3 | 5 | 7 | 9 |
| Before Weight | After Weight | ||||||||||
| db2 | e1 | 87.6 | 88.9 | 88.5 | 88.5 | 87.6 | 89.8 | 90.0 | 89.8 | 89.4 | 89.5 |
| e2 | 57.2 | 59.5 | 61.1 | 62.7 | 63.0 | 77.2 | 78.5 | 79.2 | 79.6 | 80.3 | |
| e1&e2 | 86.5 | 87.7 | 88.3 | 88.7 | 88.8 | 94.4 | 95.2 | 95.6 | 95.2 | 95.0 | |
|
| |||||||||||
| db4 | e1 | 86.1 | 86.9 | 86.8 | 86.7 | 86.4 | 87.9 | 88.2 | 87.9 | 88.1 | 87.8 |
| e2 | 58.6 | 59.1 | 61.1 | 61.7 | 62.1 | 77.9 | 79.7 | 81.6 | 82.0 | 82.0 | |
| e1&e2 | 86.2 | 87.4 | 88.2 | 88.1 | 88.3 | 93.8 | 94.5 | 95.0 | 94.7 | 94.3 | |
|
| |||||||||||
| db6 | e1 | 87.2 | 87.6 | 87.5 | 87.3 | 87.3 | 88.9 | 89.0 | 89.1 | 88.3 | 88.2 |
| e2 | 55.2 | 56.2 | 56.7 | 58.7 | 59.4 | 74.5 | 77.2 | 78.6 | 78.9 | 79.0 | |
| e1&e2 | 83.3 | 84.6 | 84.8 | 85.2 | 85.2 | 93.4 | 94.2 | 94.3 | 94.3 | 94.0 | |
|
| |||||||||||
| db12 | e1 | 86.1 | 86.8 | 87.2 | 86.9 | 86.9 | 87.0 | 87.8 | 87.9 | 88.0 | 87.1 |
| e2 | 38.6 | 40.6 | 41.9 | 43.9 | 45.2 | 66.6 | 68.9 | 70.6 | 71.7 | 72.1 | |
| e1&e2 | 76.9 | 79.6 | 80.3 | 80.5 | 80.2 | 93.1 | 93.9 | 94.3 | 94.0 | 94.0 | |