copy_node_attrs {DiagrammeR} | R Documentation |
Within a graph's internal node data frame (ndf), copy the contents an existing node attribute and create a distinct node attribute within the ndf with a different attribute name.
copy_node_attrs(graph, node_attr_from, node_attr_to)
graph |
a graph object of class
|
node_attr_from |
the name of the node attribute column from which values will be copied. |
node_attr_to |
the name of the new node attribute column to which the copied values will be placed. |
a graph object of class
dgr_graph
.
# Create a random graph graph <- create_random_graph( n = 5, m = 10, set_seed = 23) %>% set_node_attrs( node_attr = shape, values = "circle") # Get the graph's internal ndf to show which # node attributes are available get_node_df(graph) #> id type label value shape #> 1 1 <NA> 1 6.0 circle #> 2 2 <NA> 2 2.5 circle #> 3 3 <NA> 3 3.5 circle #> 4 4 <NA> 4 7.5 circle #> 5 5 <NA> 5 8.5 circle # Make a copy the `value` node attribute as # the `width` node attribute graph <- graph %>% copy_node_attrs( node_attr_from = value, node_attr_to = size) # Get the graph's internal ndf to show that the # node attribute had been copied get_node_df(graph) #> id type label value shape size #> 1 1 <NA> 1 6.0 circle 6.0 #> 2 2 <NA> 2 2.5 circle 2.5 #> 3 3 <NA> 3 3.5 circle 3.5 #> 4 4 <NA> 4 7.5 circle 7.5 #> 5 5 <NA> 5 8.5 circle 8.5