| 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 using the
# `add_gnm_graph()` function
graph <-
create_graph() %>%
add_gnm_graph(
n = 5,
m = 8,
set_seed = 23) %>%
set_edge_attrs(
edge_attr = color,
values = "green")
# Get the graph's internal
# edf to show which edge
# attributes are available
graph %>%
get_edge_df()
# Make a copy the `color`
# edge attribute as the
# `color_2` edge attribute
graph <-
graph %>%
copy_edge_attrs(
edge_attr_from = color,
edge_attr_to = color_2)
# Get the graph's internal
# edf to show that the edge
# attribute had been copied
graph %>%
get_edge_df()