Table 2.

Classification performances of conventional methodology for motor imagery versus rest task across all feature combinations.

Feature combinations	S1			S2			S3			S4			S5
	Accuracy	Precision	Recall	Accuracy	Precision	Recall	Accuracy	Precision	Recall	Accuracy	Precision	Recall	Accuracy	Precision	Recall
Signal peak (SP) and signal skewness (SSk)	49.9	48.7	58.1	54.1	59.3	56.8	52.2	54.2	53.5	53.2	51.9	71.7	48.7	47.9	43.9
Signal mean (SM) and SSk	57.0	52.3	28.8	64.8	64.1	58.1	65.9	63.7	59.6	69.3	63.2	74.7	62.2	59.8	71.7
Signal slope (SS) and SSk	55.2	51.7	30.8	53.7	51.7	49.7	64.4	65.2	61.4	52.2	50.7	57.6	53.7	51.2	49.7
Signal kurtosis (SK) and SSk	40.4	52.2	36.4	55.6	54.3	61.6	60.7	56.7	51.0	61.9	57.6	34.8	43.0	41.7	36.5
Signal variance (SV) and SSk	53.3	51.3	39.4	58.5	57.6	54.5	57.0	53.4	71.7	61.5	58.1	41.9	61.9	60.4	55.1
SP and SK	47.8	46.9	43.4	63.7	62.1	60.6	64.8	63.7	53.4	77.0	73.4	66.7	40.7	37.1	32.5
SM and SK	54.8	52.5	32.3	71.9	69.8	64.5	63.0	62.2	58.6	71.9	68.3	59.1	54.8	52.7	49.1
SS and SK	58.9	56.7	48.9	45.2	44.2	21.2	60.7	56.3	55.2	53.0	52.4	32.8	51.1	48.3	43.1
SV and SK	53.7	53.4	32.7	57.0	52.3	22.2	60.4	57.5	54.8	65.2	63.1	57.3	62.2	59.7	63.4
SM and SP	60.4	58.7	64.1	78.9	75.6	69.8	70.4	69.1	65.7	68.9	67.5	59.8	54.4	54.2	49.7
SM and SV	59.6	57.9	56.3	71.1	68.7	63.5	73.0	72.5	69.1	73.0	71.4	68.3	51.9	48.7	46.5
SS and SP	69.6	67.4	58.6	55.9	50.9	57.1	65.2	64.1	59.7	70.0	67.7	65.4	58.1	57.3	63.1
SS and SV	45.6	42.7	20.7	61.1	59.3	53.4	62.2	58.3	55.9	53.7	51.3	27.3	56.3	55.1	46.9
SV and SP	67.4	65.1	59.8	69.6	67.4	56.1	68.1	68.7	61.2	69.6	69.7	55.8	54.1	63.7	59.3
SM and SS	60.4	59.5	33.3	64.8	63.5	59.7	64.1	62.3	58.7	65.6	63.2	59.1	64.8	61.9	58.2