If \code{method = "ratiolog"}, the test described in Barraclough et
al. (1996) is performed. If \code{method = "proportion"}, the version
in Barraclough et al. (1995) is used. If \code{method = "difference"},
- the signed difference is used (Sargent 2004). If \code{method =
- "logratio"}, then this is Wiegmann et al.'s (1993) version. These
+ the signed difference is used (Sargent 2004). If \code{method = "logratio"},
+ then this is Wiegmann et al.'s (1993) version. These
four tests are essentially different versions of the same test (Vamosi
- and Vamosi 2005, Vamosi 2007).
+ and Vamosi 2005, Vamosi 2007). See Paradis (2012) for a comparison of
+ their statistical performance with other tests.
If \code{nrep = 0}, a Wilcoxon test is done on the species diversity
contrasts with the null hypothesis is that they are distributed around
flowering plants (angiosperms). \emph{Proceedings of the Royal Society
of London. Series B. Biological Sciences}, \bold{263}, 589--591.
+ Paradis, E. (2012) Shift in diversification in sister-clade
+ comparisons: a more powerful test. \emph{Evolution}, \bold{66},
+ 288--295.
+
Sargent, R. D. (2004) Floral symmetry affects speciation rates in
angiosperms. \emph{Proceedings of the Royal Society of London. Series
B. Biological Sciences}, \bold{271}, 603--608.