Table 2. 5-fold cross-validation results on ADNI: The model learned from the training data is used to estimate the correlation coefficients on the testing set.

Method	Correlation Coefficient on Test Set
	F1	F2	F3	F4	F5	Mean + Std
BM-SCCA	0.1996	0.1848	−0.0250	0.2845	0.2320	0.1752 ± 0.1183
CS-SCCA	0.3328	0.2126	0.2258	0.3275	0.2180	0.2633 ± 0.0612
DS-SCCA	0.3566	0.2173	0.2200	0.3139	0.2474	0.2711 ± 0.0616