Fig. 5
Comparison to other coevolution metrics. a Comparing coevolution of gene expression, represented by the phylogenetically-corrected correlation ρC, and protein sequences, taken from Clark et al [7]. There is a weak but significant correlation (Weighted Spearman Rank Correlation ρS=0.10, p=0.0015) between the measures of gene expressions and protein sequence coevolution. b A similar comparison using the measures of CAI coevolution from [7]. Again, there is a weak, but significant correlation (Weighted Spearman Rank correlation ρS=0.22, p<10−16)