Figure 3.

Inter-group conversions, portrayed by tiers. Groups are portrayed in white circles. Bidirectional arrows between groups reflect over- (white) or under- (black) represented conversions, if p-values are < 0.05 (Tiers 1 and 2) or < 0.10 (Tier 3). Each white arrow is proportional to its observed:expected ratio. Each black arrow is proportional to the expected:observed ratio, but expected values of 0 are assigned an arbitrary value of 1 and expected:observed thickness arrows are capped at thickness ratios of 7.5:1. Adjacent to arrows are observed and expected conversions, chi squared, and p values. Further details regarding expected and observed inter-group conversions are in Table S2 (Additional File 4).

Leopold et al. BMC Evolutionary Biology 2011 11:183   doi:10.1186/1471-2148-11-183
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