then the null hypothesis cannot be rejected.
The present function has mainly a historical interest. The
- Slowinski--Guyer test generally performs poorly: see McConway and Sims
- (2004) for an alternative and the functions cited below.
+ Slowinski--Guyer test generally performs poorly: see Paradis (2012)
+ alternatives and the functions cited below.
}
\value{
a data frame with the \eqn{\chi^2}{chi2}, the number of degrees of
\emph{P}-values for each pair of sister-clades.
}
\references{
- McConway, K. J. and Sims, H. J. (2004) A likelihood-based method for
- testing for nonstochastic variation of diversification rates in
- phylogenies. \emph{Evolution}, \bold{58}, 12--23.
+ Paradis, E. (2012) Shift in diversification in sister-clade
+ comparisons: a more powerful test. \emph{Evolution}, \bold{66},
+ 288--295.
Slowinski, J. B. and Guyer, C. (1993) Testing whether certain traits
have caused amplified diversification: an improved method based on a