new dist.topo (to be finished) and modified multi2di

[ape.git] / man / dist.topo.Rd

diff --git a/man/dist.topo.Rd b/man/dist.topo.Rd
index d10817c57fe82576a7dc867e618018b67821fb13..3fbedcd0761dc0649bf62775394ecb6a373d9f21 100644 (file)
--- a/man/dist.topo.Rd
+++ b/man/dist.topo.Rd
@@ -8,7 +8,7 @@ dist.topo(x, y, method = "PH85")
   \item{x}{an object of class \code{"phylo"}.}
   \item{y}{an object of class \code{"phylo"}.}
   \item{method}{a character string giving the method to be used: either
-    \code{"PH85"}, or \code{"BHV01"}.}
+    \code{"PH85"}, or \code{"score"}.}
 }
 \description{
   This function computes the topological distance between two
@@ -19,22 +19,31 @@ dist.topo(x, y, method = "PH85")
 }
 \details{
   Two methods are available: the one by Penny and Hendy (1985), and the
-  one by Billera et al. (2001).
+  branch length score by Kuhner and Felsenstein (1994).
 
   The topological distance is defined as twice the number of internal
   branches defining different bipartitions of the tips (Penny and Hendy
   1985). Rzhetsky and Nei (1992) proposed a modification of the original
   formula to take multifurcations into account.
 
-  Billera et al. (2001) developed a distance from the geometry of a tree
-  space. The distance between two trees can be seen as the sum of the
-  branch lengths that need be erased to have two similar trees.
+  The branch length score may be seen as similar to the previous
+  distance but taking branch lengths into account. Kuhner and
+  Felsenstein (1994) proposed to calculate the square root of the sum of
+  the squared differences of the (internal) branch lengths defining
+  similar bipartitions (or splits) in both trees.
+}
+\note{
+  The geodesic distance of Billera et al. (2001) has been disabled.
 }
 \references{
   Billera, L. J., Holmes, S. P. and Vogtmann, K. (2001) Geometry of the
   space of phylogenetic trees. \emph{Advances in Applied Mathematics},
   \bold{27}, 733--767.
 
+  Kuhner, M. K. and Felsenstein, J. (1994) Simulation comparison of
+  phylogeny algorithms under equal and unequal evolutionary rates.
+  \emph{Molecular Biology and Evolution}, \bold{11}, 459--468.
+
   Nei, M. and Kumar, S. (2000) \emph{Molecular evolution and
   phylogenetics}. Oxford: Oxford University Press.