Kcalc {picante} | R Documentation |
K statistic of phylogenetic signal
Description
Calculates K statistic of phylogenetic signal
Usage
Kcalc(x, phy, checkdata=TRUE)
Arguments
x |
Vector or data.frame of trait data (in phylo\$tip.label order) |
phy |
phylo object |
checkdata |
Check for match between trait and phylogeny taxa labels using |
Value
K |
K statistic |
Author(s)
Simon Blomberg <s.blomberg1@uq.edu.au> and David Ackerly <dackerly@berkeley.edu>
References
Blomberg, S. P., and T. Garland, Jr. 2002. Tempo and mode in evolution: phylogenetic inertia, adaptation and comparative methods. Journal of Evolutionary Biology 15:899-910.
Blomberg, S. P., T. Garland, Jr., and A. R. Ives. 2003. Testing for phylogenetic signal in comparative data: behavioral traits are more labile. Evolution 57:717-745.
See Also
Examples
randtree <- rcoal(20)
randtraits <- rTraitCont(randtree)
Kcalc(randtraits[randtree$tip.label],randtree)
[Package picante version 1.8.2 Index]