Add nodes to an existing hierarchy — hier

This function allows to add nodes (levels) to an existing nested hierarchy.

hier_add(tree, root, nodes)

Arguments

tree: a (nested) hierarchy created using hier_create() or modified using hier_add(), hier_delete() or hier_rename().
root: (character) a name of an existing node in the hierarchy
nodes: (character) names of new nodes that should be added below "root"

Examples

h <- hier_create(root = "Total",  nodes = LETTERS[1:3])
h <- hier_add(h, root = "A", nodes = c("a1", "a5"))
hier_display(h)
#> Total
#> ├─A
#> │ ├─a1
#> │ └─a5
#> ├─B
#> └─C