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Table 1 Regression analysis results

From: Reducing the metabolic cost of walking with an ankle exoskeleton: interaction between actuation timing and power

  Formula R2 P
(1) ΔE = − 0.096 + 9.2  Pavg − 0.49 TonPavg + 0.0055 Ton 2Pavg 0.833 0.01
(2) ΔE = 0.0088 + 9.1  Pavg + 5 Pavg 2 − 0.64 TonPavg + 0.0077 Ton 2Pavg 0.990 <0.001
(3) ΔE = − 10 + 10  exp (0.89 Pavg) Pavg − 0.62 TonPavg + 0.0075 Ton 2Pavg 0.988 <0.001
  1. Results of three different regressions that were used as potential candidates to result in a good fit for the effect of actuation timing and exoskeleton power on metabolic cost of exoskeleton walking with the resulting R2 and P-values