TABLE VIII.
Model | Linear SVM | Linear Regression | Random Forest | |||||||
---|---|---|---|---|---|---|---|---|---|---|
RMSE | NRMSE | r | RMSE | NRMSE | r | RMSE | NRMSE | r | ||
M1 | M1 (w/o NAC) | 4.66 | 11.65% | 0.89** | 6.07 | 15.19% | 0.87** | 8.14 | 20.36% | 0.61** |
M1 | 7.36 | 18.41% | 0.82** | 7.95 | 19.87% | 0.80** | 10.86 | 27.14% | 0.73** | |
| ||||||||||
Separate | M2 | 8.55 | 21.38% | 0.60* | 9.82 | 24.55% | 0.55* | 10.18 | 25.45% | 0.25 |
M3 | 5.54 | 13.86% | 0.85** | 5.43 | 13.57% | 0.86** | 10.70 | 26.76% | 0.07 | |
Mavg | 5.54 | 13.86% | 0.87** | 5.27 | 13.18% | 0.89** | 8.04 | 20.09% | 0.69** | |
ME | 5.50 | 13.74% | 0.84** | 5.69 | 14.22% | 0.84** | 9.38 | 23.46% | 0.44 | |
| ||||||||||
Cumulative | M2 | 5.49 | 13.71% | 0.85** | 5.88 | 14.69% | 0.85** | 8.51 | 21.27% | 0.59* |
M3 | 2.32 | 5.80% | 0.97**† | 2.60 | 6.50% | 0.97**† | 9.78 | 24.46% | 0.31 | |
Mavg | 4.00 | 10.01% | 0.94**† | 4.05 | 10.12% | 0.94**† | 7.38 | 18.46% | 0.77**† | |
ME | 3.41 | 8.53% | 0.95**† | 2.90 | 7.26% | 0.96**† | 9.30 | 23.24% | 0.45* |
avg = average, E = ensemble, M = model, NAC = non-ambulatory circuit, NRMSE = normalized root mean square error, r = Pearson correlation coefficient, RMSE = root mean square error, SVM = support vector machine,
p < 0.05,
p < 0.01,
significantly (p < 0.05) improved results from M1.