Table 10.

Mean accuracies achieved for each set of data, with the best group result highlighted in bold.

Acc. + GPS.	Acc. + Magn. + GPS	Acc. + Gyro. + Magn. + GPS
67.53%   $\pm 6.33$	74.39%  $\pm 10.75$	69.28%   $\pm 15.10$