Table 9.
Confusion matrix of KNN (K = 3) classifier of selected features of accelerometer.
| S. No | Activity | A1 | A2 | A3 | A4 | A5 | |
|---|---|---|---|---|---|---|---|
| True Class | 1 | A1 | 10,634 | 6 | 18 | 1 | 14 |
| 2 | A2 | 3 | 11,467 | 1 | 0 | 1 | |
| 3 | A3 | 9 | 0 | 10,049 | 0 | 1 | |
| 4 | A4 | 1 | 0 | 0 | 8769 | 127 | |
| 5 | A5 | 15 | 1 | 0 | 39 | 7994 | |
| Predicted Class | |||||||
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