Table 3.

Five-fold cross validation classification performances (%) using canonical variables Xu and Yv. HC vs MCI, MCI vs AD, and HC vs AD are performed as three tasks separately.

		Train			Test
		HC vs MCI	HC vs AD	MCI vs AD	HC vs MCI	HC vs AD	MCI vs AD
DSCC	f1	97.17	100.00	94.19	75.00	91.30	60.87
	f2	86.79	96.51	84.88	85.71	95.65	60.87
	f3	96.23	100.00	94.19	85.71	91.30	86.96
	f4	93.40	95.35	75.58	57.14	100.00	78.26
	f5	72.32	82.61	69.57	72.73	82.35	64.71
	mean	89.18	94.89	83.68	75.26	92.12	70.33
PMA	f1	60.38	77.91	65.12	71.43	86.96	73.91
	f2	66.98	84.88	74.42	71.43	95.65	60.87
	f3	66.04	80.23	63.95	50.00	86.96	60.87
	f4	68.87	80.23	59.30	42.86	82.61	78.26
	f5	65.18	77.17	60.87	31.82	64.71	64.71
	mean	65.49	80.09	64.73	53.51	83.38	67.72