Skip to main content
. 2014 Feb 7;9(2):e88080. doi: 10.1371/journal.pone.0088080

Table 1. Pearson correlation coefficients, Root Mean Square Errors and dynamic range between the positions obtained by both methods.

Pearson correlation coefficient (p<0.01) Root Mean Square Error (meters) Dynamic Range
S A B C A B C A B C
X 0.99 −0.11 0.60 0.04 0.14 0.13 50.46 0.95 0.97
Y 0.95 0.97 0.93 0.05 0.15 0.08 3.46 2.38 2.10
Z 0.99 0.98 0.99 0.02 0.07 0.10 44.76 7.35 9.48
Inline graphic 0.98 0.73 0.95 0.03 0.17 0.15 7.0 2.07 1.3

S stands for motion sequence; X, Y and Z represent the directions of movement for the upper limb point and the Euclidean norm is given by Inline graphic.