Table 3.

Accuracy comparison of different methods applied on Data set 2

Methods	3C + CSP		CSP-rank		RSS-SFSM + CSP		PPWPE + BGSA + CSP
Subject	$N_{\mathit{sc}}$	Acc (%)	$N_{\mathit{sc}}$	Acc (%)	$N_{\mathit{sc}}$	Acc (%)	$N_{\mathit{sc}}$	Acc (%)
aa	3	56.53	46	81.43	14	77.14	31	85.71
al	3	85.36	57	98.57	11	92.14	32	99.29
av	3	54.64	30	54.29	9	75.36	26	82.86
aw	3	81.07	32	90.00	14	89.64	25	94.29
ay	3	88.93	55	94.30	12	92.14	25	93.57
Average	3	73.31	44	83.72	12	85.28	27.8	91.14

For data whose column label is Acc, bold the maximum Acc of each row, and for data whose column label is N_sc bold the minimum N_sc of the last row