node_insert | R Documentation |
Scan the tree and insert nodes before the first non-root node having the name specified.
This function is based on the package data.tree and has side-effects.
It modifies the tree given by the argument (see the package data.tree).
node_insert(tree, node.name, ...)
tree |
a tree (i.e. a Node object). |
node.name |
a character string specifying the name of a node. Some nodes will be inserted before it. |
... |
some Node objects or character strings. A character string will be treated as the name of a new node to be created. Those nodes will be inserted into the tree. |
Invisibly returns the parent node of those new nodes.
dst.firm <- node_new(
"output",
"prod1", "prod2"
)
plot(dst.firm)
dst.VA <- node_new(
"VA",
"lab", "cap"
)
node_insert(
dst.firm, "prod1",
dst.VA, "prod3"
)
node_set(
dst.firm, "output",
"prod4"
)
plot(dst.firm)
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