Investigating Feature Ranking Methods for Sub-Band and Relative Power Features in Motor Imagery Task Classification

Table 2

Analysis of accuracy (in %) for impact of relative and varied power features.

Subjects	Accuracy with all features	Accuracy without relative power features	Accuracy with best features from mutual information method	Accuracy with best features from chi-square method	Accuracy with dropping out correlated features
S01	94.3	94.9	93.8	94.2	92.4
S02	92.8	93	93.7	93.1	92.5
S03	94.2	93.3	93.2	94.2	90.4
S04	93.6	91.9	92.1	93.6	91.7
S05	93.1	92.5	92.6	93.1	91.8
S06	93.1	92.7	92.3	93.1	90.1
S07	91.6	91.4	91.7	91.6	89.7
S08	92.9	92.6	92.2	93.01	90.6
S09	95.2	95.4	95.4	95.2	91.7
S10	94.3	94.9	93.8	94.3	92.1

Bold letters show the maximum classification accuracy of the classifier.