Table 4.

MGH stroke imaging data: 10-fold cross-validated (conditional) log-likelihood for different variable selection methods (excluded imaging variables with nonzero values less than 5% in either cases or controls).

	Stepwise	Logic Reg	Pen1	Pen2	Pen3	Elastic Net
Two-stage procedure	−1230.30	−149.50	−145.83	−128.80	−120.07	−104.02
Simultaneous procedure	−383.87	−276.43	−302.24	−277.12	−268.36	−245.50