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. 2018 Aug 1;176:203–214. doi: 10.1016/j.neuroimage.2018.04.029

Fig. 4.

Fig. 4

Frequency of selecting each family of features. After the feature extraction stage, a feature selection process determines which features were most suitable for classification. The X-axis (# Times Selected) represents the number of times each feature family appeared across participants. Y-axis (% participants) shows the proportion of participants in whom that particular number of features was selected.