Hi all, My lab has been reading literature related to the measurement of phylogenetic signal and we are wondering about the application of Blomberg's K statistic to discrete data and in particular discrete, unordered characters. We have seen it applied to the latter in the literature, but it seems like this would violate basic model assumptions under Brownian motion. We'd be curious to hear your opinions on using K to measure signal in discrete traits and to be pointed to any releveant literature. Thanks! Stacey
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