Average ladder size

Finds the mean size of ladders in the tree

avgLadder(tree, normalise = FALSE)

Arguments

tree

a tree of class phylo or phylo4. The tree should be binary and rooted; if not it will be coerced into a binary rooted tree using multi2di, if possible.

normalise

option to normalise the result, default is FALSE

Value

The mean ladder size

See also

ladderSizes

Author

Michelle Kendall michelle.louise.kendall@gmail.com

Examples

## Find the average ladder size in a random tree with 20 tips:
tree <- rtree(20)
plot(tree)

avgLadder(tree)
#> [1] 2
# and the normalised average ladder size:
avgLadder(tree, normalise=TRUE)
#> [1] 0.1111111