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. Author manuscript; available in PMC: 2016 Nov 2.
Published in final edited form as: Curr Biol. 2015 Oct 8;25(21):2785–2794. doi: 10.1016/j.cub.2015.09.037

Figure 4. Phylogenetically corrected principal components analysis illustrates major proportional differences across rodent limbs.

Figure 4

(A) pPC2 is mapped as a continuous trait on the phylogeny of rodents with ancestral states reconstructed (graded color). (B) Clusters of similar ecomorphs plotted with respect to pPC1 (representing variation due to body size; 90.9% of the total variance) and pPC2 (representing degree and direction of limb specialization; 86.1% of remaining variance with pPC1 removed). Shaded ellipses demark the 95% confidence interval of each cluster.