isLeaf {TreeSummarizedExperiment} | R Documentation

## To test whether the specified nodes are leaf nodes

### Description

`isLeaf` is to test wheter some specified nodes are leaf nodes of a tree.

### Usage

    isLeaf(tree, node)

### Arguments

`tree` | A phylo object.
`node` | A numeric or character vector. Node labels or node numbers.

### Value

a logical vector with the same length as the input `node`.

### Author(s)

Ruizhu HUANG

### Examples

    data(tinyTree)
    library(ggtree)

    # PLOT tree
    # The node labels are in orange texts and the node numbers are in blue
    ggtree(tinyTree,branch.length = 'none')+
        geom_text2(aes(label = label), color = "darkorange",
               hjust = -0.1, vjust = -0.7) +
        geom_text2(aes(label = node), color = "darkblue",
                   hjust = -0.5, vjust = 0.7)

    isLeaf(tree = tinyTree, node = c(5, 4, 18))
    isLeaf(tree = tinyTree, node = c("t4", "t9", "Node_18" ))

[Package TreeSummarizedExperiment version 2.2.0 Index]