Fig. 6

Boxplots of the balanced accuracies of the classifiers for all folds with the gait micro characteristics. a Cross validation across the subjects (Intersubject method). b Cross validation within each individual subject (Intrasubject method). The dashed line represents random chance (50%). PRO Patient reported outcome, PF Physical fatigue; MF Mental fatigue, SVM Support vector machine, kNN k-nearest neighbours, RF Random Forest, NB Naïve Bayesian