Table 9.

Comparison of SGD-SVM with PAV with Learning-to-rank. We applied the sign test, the Wilcoxon signed rank test, and the paired t test.

	NLM 2007	L1000
Sign test	1.2 × 10−9	1.4 × 10−39
Wilcoxon	6.0 × 10−12	7.9 × 10−59
Paired t test	2.5 × 10−4	<10−4