Table 2

Spearman correlation of pathway activation metrics over the nine data sets of Table 1

Z

HG

PCA

WC

KS

Z

1.0

0.30

0.53

0.77

0.64

HG

1.0

0.32

0.18

0.12

PCA

1.0

0.32

0.24

WC

1.0

0.85

KS

1.0

Spearman correlation of pathway activation metrics over the nine data sets of Table 1, with consistent FDR of 0.05 and coherence p value ≤ 0.05. Columns and rows are Z score (Z), signed hypergeometric (HG), principal component analysis (PCA), Wilcoxon Z score (WC) and Kolmogorov-Smirnov (KS).

Levine et al. Genome Biology 2006 7:R93   doi:10.1186/gb-2006-7-10-r93