get_cmty_louvain {DiagrammeR} | R Documentation |
Through the use of multi-level optimization of a modularity score, obtain the group membership values for each of the nodes in the graph.
get_cmty_louvain(graph)
graph |
a graph object of class
|
a data frame with group membership assignments for each of the nodes.
# Create a random graph graph <- create_random_graph( n = 10, m = 22, set_seed = 23) # Get the group membership values for # all nodes in the graph through the # multi-level optimization of modularity # algorithm get_cmty_louvain(graph) #> id louvain_group #> 1 1 2 #> 2 2 1 #> 3 3 1 #> 4 4 2 #> 5 5 2 #> 6 6 2 #> 7 7 1 #> 8 8 2 #> 9 9 1 #> 10 10 2 # Add the group membership values to the # graph as a node attribute graph <- graph %>% join_node_attrs( df = get_cmty_louvain(.)) # Display the graph's node data frame get_node_df(graph) #> id type label value louvain_group #> 1 1 <NA> 1 6.0 2 #> 2 2 <NA> 2 2.5 1 #> 3 3 <NA> 3 3.5 1 #> 4 4 <NA> 4 7.5 2 #> 5 5 <NA> 5 8.5 2 #> 6 6 <NA> 6 4.5 2 #> 7 7 <NA> 7 10.0 1 #> 8 8 <NA> 8 10.0 2 #> 9 9 <NA> 9 8.5 1 #> 10 10 <NA> 10 10.0 2