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Table 6 Effects of passage of time and electrode displacement on joint torque estimation.

From: Comparison of regression models for estimation of isometric wrist joint torques using surface electromyography

Model After 1 hour After 24 hours
   NRMSE R a 2 NRMSE R a 2
PBM Mean 5.28% 0.56 5.54% 0.47
  STD 2.68% 0.24 2.95% 0.26
OLS Mean 4.84% 0.59 5.29% 0.51
  STD 2.98% 0.27 3.04% 0.25
RLS Mean 4.81% 0.63 5.19% 0.54
  STD 2.91% 0.23 2.98% 0.27
SVM Mean 5.35% 0.54 6.76% 0.46
  STD 2.22% 0.21 2.95% 0.28
ANN Mean 5.40% 0.53 6.44% 0.51
  STD 2.15% 0.28 3.09% 0.31
LWPR Mean 5.42% 0.60 5.93% 0.59
  STD 3.00% 0.23 3.18% 0.30