A Hybrid EMD-Wavelet EEG Feature Extraction Method for the Classification of Students’ Interest in the Mathematics Classroom

Table 4

Comparison of the classification accuracy using linear SVM and weighted kNN.

Method	Linear SVM			Weighted kNN
	Acc. (%)	Sens. (%)	Spec. (%)	Acc. (%)	Sens. (%)	Spec. (%)
EMD-energy	66.7	90.9	40	57.1	81.8	30
DWT-energy	57.1	54.5	60	66.7	54.5	80
Proposed method	61.9	54.5	70	85.7	81.8	90

Acc. = accuracy; Sens. = sensitivity; Spec. = specificity.