Table 3.

Feature importances

Feature	Train Loss Ratio	Test Loss Ratio
EMG 95%ile Mean	1.703 ± 0.005	1.270 ± 0.005
EEG Entropy	1.366 ± 0.003	1.405 ± 0.005
EMG RMS	1.188 ± 0.017	1.149 ± 0.003
Delta	1.152 ± 0.003	1.106 ± 0.005
Sigma	1.087 ± 0.002	1.070 ± 0.002
EEG RMS	1.086 ± 0.002	1.111 ± 0.002
Beta	1.072 ± 0.001	1.036 ± 0.001
EMG Twitch	1.069 ± 0.001	1.058 ± 0.001
Theta/Delta	1.058 ± 0.002	1.023 ± 0.002
Theta	1.043 ± 0.001	1.037 ± 0.001
EMG Entropy	1.043 ± 0.001	1.005 ± 0.001
Sigma/Delta	1.040 ± 0.001	1.005 ± 0.001
Beta/Sigma	1.032 ± 0.001	1.011 ± 0.001
Beta/Delta	1.026 ± 0.001	0.999 ± 0.001
Sigma/Theta	1.026 ± 0.000	1.000 ± 0.001
Beta/Theta	1.023 ± 0.001	1.000 ± 0.001

^*Loss ratios are calculated as mean square error (MSE) normalized to the MSE of the original data. Losses are averaged across 30 repetitions. Intervals are reported as the standard error of the mean.