Table 1.

The PVSB demonstrated comparable if not superior generalization performance relative to other multivariate methods. The out-of-sample variance explained, R², of each multivariate method was shown for each empirical brain-behavior association. Although the PVS_B, random forest, and LASSO showed comparable predictive performance for the nBack-TC association, the PVS_B outperformed other multivariate methods for the SST-SSRT association. Minimal association was again found for the nBack-SSRT and SST-TC contrasts

Associations	PVSB	Random Forest	LASSO	SVR
nBack-TC	11.58	10.88	10.42	2.25
nBack-SSRT	0.76	0.12	0.13	0.07
SST-TC	0.46	0.38	0.00	0.08
SST-SSRT	10.64	8.03	8.70	3.45