Table 1.

Classification performance in Data set 1 and Data set 2

Methods	All-C + CSP	PPWPE + CSP	All-C + BGSA + CSP	PPWPE + BGSA + CSP
Subject	Acc (%)	Acc (%)	Acc (%)	Acc (%)
a	49.50	78.00	88.50	91.00
b	47.00	62.50	68.50	73.50
f	43.00	78.00	85.50	92.50
g	90.50	92.50	94.50	95.00
Mean ± SD	57.50 ± 22.16	77.75 ± 12.25	84.13 ± 11.15	88.00 ± 9.81
aa	80.00	82.36	82.86	85.71
al	97.86	98.57	98.93	99.29
av	49.29	59.29	76.07	82.86
aw	83.21	91.07	92.14	94.29
ay	86.43	89.29	92.86	93.57
Mean ± SD	79.36 ± 18.11	84.12 ± 15.03	88.57 ± 9.05	91.14 ± 6.71
p value	–	0.023	0.013	0.010

Except for the last row of data, the maximum value of each row of data is bold