TreeSearch (version 0.3.2)

NRooted: Number of rooted/unrooted trees These functions return the number of rooted or unrooted trees consistent with a given pattern of splits.

Description

Functions starting N return the number of rooted or unrooted trees, functions starting Ln provide the log of this number. Calculations follow Carter et al. 1990, Theorem 2.

Usage

NRooted(tips)
NUnrooted(tips)
LnUnrooted(tips)
LnRooted(tips)
LnUnrootedSplits(splits)
NUnrootedSplits(splits)
LnUnrootedMult(splits)
NUnrootedMult(splits)

Arguments

tips

The number of tips.

splits

vector listing the number of taxa in each tree bipartition.

Functions

• NUnrooted: Number of unrooted trees

• LnUnrooted: Log Number of unrooted trees

• LnRooted: Log Number of rooted trees

• LnUnrootedSplits: Log number of unrooted trees

• NUnrootedSplits: Number of unrooted trees

• LnUnrootedMult: Log unrooted mult

• NUnrootedMult: Number of unrooted trees (mult)

References

Carter1990TreeSearch

Carter1990TreeSearch

Examples

# NOT RUN {
  NRooted(10)
  NUnrooted(10)
  LnRooted(10)
  LnUnrooted(10)
  # Number of trees consistent with a character whose states are 00000 11111 222
  NUnrootedMult(c(5,5,3))

# }