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. Author manuscript; available in PMC: 2013 Jan 1.
Published in final edited form as: IEEE Trans Biomed Eng. 2011 Jun 9;59(7):1829–1838. doi: 10.1109/TBME.2011.2159115

Fig. 3.

Fig. 3

Summary of EMG prediction accuracy with the Wiener cascade, simplified (the generalized linear model without the coupling and history components: eq. (15)), and full constrained Kalman filters (the generalized linear model with the coupling and history components: eq. (12)). Predictions (R2 ± S EM) accounted for 49-65% of the variance of the EMGs. The Wiener cascade filter was insensitive to the bin size. However, the prediction accuracy of the constrained Kalman filter improved for larger bin sizes. Including the history and coupling component terms in the GLM improved the prediction rates further. The time delay was set to 40 ms.