Table 2.
Goodness-of-Fit (GoF) Values for Predictions of the Five Group-Average Models to the Population-Average PVT Lapse Data from the 11-day Chronic Variable Sleep Deficiency Protocol.
| GoF | Model | Cycle 1 | Cycle 2 | Cycle 3 | Overall | ||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| BL | SR1 | SR2 | REC1 | SR3 | SR4 | REC2 | SR5 | SR6 | |||
| AIC | Two process | 46.40 | 51.83 | 30.31 | 34.40 | 40.88 | 37.54 | 33.22 | 42.26 | 49.33 | 311.58 |
| State-space | 58.33 | 53.41 | 52.28 | 50.94 | 57.35 | 53.99 | 53.30 | 57.55 | 63.12 | 332.67 | |
| Modified state-space | 56.43 | 56.02 | 50.70 | 52.09 | 48.97 | 53.23 | 54.93 | 47.30 | 64.62 | 295.94 | |
| Unified | 22.56 | 27.47 | 40.43 | 24.96 | 36.70 | 40.07 | 32.62 | 39.72 | 50.15 | 289.65 | |
| Adenosine | 61.08 | 65.27 | 42.32 | 50.19 | 56.08 | 47.49 | 51.83 | 51.44 | 60.14 | 306.13 | |
| RMSE | Two process | 4.19 | 5.26 | 3.70 | 4.06 | 3.33 | 6.20 | 3.77 | 3.53 | 14.39 | 5.83 |
| State-space | 3.85 | 3.13 | 6.54 | 4.75 | 3.69 | 7.38 | 5.51 | 3.72 | 14.17 | 6.07 | |
| Modified state-space | 3.01 | 2.96 | 4.39 | 3.98 | 2.20 | 5.26 | 4.75 | 2.06 | 11.86 | 4.78 | |
| Unified | 1.43 | 1.75 | 6.61 | 1.98 | 2.57 | 6.44 | 3.20 | 2.92 | 13.22 | 5.06 | |
| Adenosine | 4.31 | 5.14 | 3.21 | 4.53 | 3.50 | 4.64 | 5.03 | 2.89 | 11.45 | 5.20 | |
AIC = Akaike’s information criterion; RMSE = root mean square error. Bold values indicate best-fit model for each day for each GoF measure.