copy_edge_attrs {DiagrammeR} | R Documentation |
Within a graph's internal edge data frame (edf), copy the contents an existing edge attribute and create a distinct edge attribute within the edf with a different attribute name.
copy_edge_attrs(graph, edge_attr_from, edge_attr_to)
graph |
a graph object of class
|
edge_attr_from |
the name of the edge attribute column from which values will be copied. |
edge_attr_to |
the name of the new edge 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( 5, 8, set_seed = 3) %>% set_edge_attrs("color", "green") # Get the graph's internal edf to show which # edge attributes are available get_edge_df(graph) #> id from to rel color #> 1 1 2 5 <NA> green #> 2 2 1 3 <NA> green #> 3 3 1 4 <NA> green #> 4 4 2 3 <NA> green #> 5 5 1 5 <NA> green #> 6 6 3 4 <NA> green #> 7 7 4 5 <NA> green #> 8 8 3 5 <NA> green # Make a copy the `color` edge attribute as # the `color_2` edge attribute graph <- graph %>% copy_edge_attrs("color", "color_2") # Get the graph's internal edf to show that the # edge attribute had been copied get_edge_df(graph) #> id from to rel color color_2 #> 1 1 2 5 <NA> green green #> 2 2 1 3 <NA> green green #> 3 3 1 4 <NA> green green #> 4 4 2 3 <NA> green green #> 5 5 1 5 <NA> green green #> 6 6 3 4 <NA> green green #> 7 7 4 5 <NA> green green #> 8 8 3 5 <NA> green green