... 7:8http://www.jneuroengrehab.com/content/7/1/8Page 4 of 12RESEARC H Open AccessBayesian aggregation versus majority vote in the characterization of non-specific arm pain based on quantitative needle electromyographyAndrew Hamilton-Wright1,2,3*, ... andNSAP ). In the above equations, X-1indicates the matrixinverse operation, and |X| indicates the calculation of the determinant.This formulation is simply the discriminant functionconstructed ... ascer-tain whether a better classification may be obtainedthen the already-strong performance obtained here.Conclusions In support of the findings of [28,29], MUPT classifica-tion performance...