Table 8.
Variation of overall accuracy (%) and kappa scores obtained for Wake vs. S1-sleep vs. S2-sleep vs. S3-sleep vs. S4-sleep vs. REM classification scheme by varying embedding vector length (L), time delay(d) and level (a) parameters of DE and BE features.
| Parameters | Validation Set | Test Set | ||||
|---|---|---|---|---|---|---|
| L | a | d | Overall Accuracy (%) | Kappa score | Overall Accuracy (%) | Kappa score |
| 10 | 2 | 1 | 72.18 | 0.631 | 72.72 | 0.637 |
| 10 | 3 | 2 | 70.77 | 0.619 | 71.34 | 0.622 |
| 8 | 2 | 1 | 71.62 | 0.630 | 71.77 | 0.631 |
| 8 | 3 | 2 | 69.90 | 0.608 | 69.70 | 0.605 |
| 5 | 2 | 1 | 59.48 | 0.466 | 62.77 | 0.510 |
| 5 | 3 | 2 | 51.30 | 0.372 | 48.31 | 0.336 |