DiagrammeR (version 0.7)

node_type: Create, read, update, delete, or report status of a node type definition

Description

From a graph object of class dgr_graph, query a node in the graph (using the node ID) and perform operations on the type definition for that node.

Usage

node_type(graph, node, action = "read", value = NULL)

Arguments

graph

a graph object of class dgr_graph that is created using create_graph.

node

a node ID corresponding to the node to be selected.

action

the operation to perform on the node's type attribute. To remove the type definition from a node, use either delete, remove, or drop. To add a type definition to a node with no type set, use add or

value

a string denoting the node type, to be supplied when either adding or updating a node type definition.

Value

• a graph object of class dgr_graph.