Table 1. Prediction performance.

Model	Precision	Recall	F-measure
Simple	0.94	0.91	0.92
EFPrf	0.98 (<2.2e-16)	0.89 (1.3e-5)	0.93 (0.009)

The values in the parentheses represent the p-values calculated against the simple model by paired t-test.