countLeaf: count the number of leaf nodes

In TreeSummarizedExperiment: TreeSummarizedExperiment: a S4 Class for Data with Tree Structures

Description

countLeaf calculates the number of leaves on a phylo tree.

Usage

countLeaf(tree)

Arguments

tree	A phylo object

Value

a numeric value

Author(s)

Ruizhu Huang

Examples

library(ggtree)

data(tinyTree)

ggtree(tinyTree, branch.length = 'none') +
geom_text2(aes(label = label), hjust = -0.3) +
geom_text2(aes(label = node), vjust = -0.8,
hjust = -0.3, color = 'blue')


(n <- countLeaf(tinyTree))

TreeSummarizedExperiment documentation built on Dec. 8, 2020, 2 a.m.