Extended Data Table 1 Results of overlapping simulations of ancestral character history for binary social variables and female song

From: Territoriality modulates the coevolution of cooperative breeding and female song in songbirds

  1. For each pair of traits (female song + a social variable from the left column), we ran 500 ancestral character mapping simulations with the real data and 500 with shuffled data (i.e. with tip states in a randomized order) for comparison. We used methods adapted from27 to estimate an empirical p-value (yellow indicates significance at p < 0.05). Across the Trait A-Trait B stochastic character map pairs based on the real data, we found the median proportion of the phylogeny that each combination of traits occupied, then approximated the degree of association between trait states by comparing the proportion of the tree occupying a given trait combination in the real versus randomized simulations. Cells highlighted in blue indicate that that trait combination was less than the median of real simulations in <5% of randomized simulations (and thus the trait combination is less common than expected if traits were independent). Cells highlighted in red indicate that >95% of randomized simulations were less than the median of the real simulations (thus the trait combination is more common than expected if traits were independent).
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