get_cmty_l_eigenvec {DiagrammeR} | R Documentation |
Through the calculation of the leading non-negative eigenvector of the modularity matrix of the graph, obtain the group membership values for each of the nodes in the graph.
get_cmty_l_eigenvec(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 calculation of # the leading non-negative eigenvector of the # modularity matrix of the graph get_cmty_l_eigenvec(graph) #> id l_eigenvec_group #> 1 1 1 #> 2 2 2 #> 3 3 2 #> 4 4 1 #> 5 5 1 #> 6 6 1 #> 7 7 2 #> 8 8 1 #> 9 9 2 #> 10 10 1 # Add the group membership values to the # graph as a node attribute graph <- graph %>% join_node_attrs( df = get_cmty_l_eigenvec(.)) # Display the graph's node data frame get_node_df(graph) #> id type label value l_eigenvec_group #> 1 1 <NA> 1 6.0 1 #> 2 2 <NA> 2 2.5 2 #> 3 3 <NA> 3 3.5 2 #> 4 4 <NA> 4 7.5 1 #> 5 5 <NA> 5 8.5 1 #> 6 6 <NA> 6 4.5 1 #> 7 7 <NA> 7 10.0 2 #> 8 8 <NA> 8 10.0 1 #> 9 9 <NA> 9 8.5 2 #> 10 10 <NA> 10 10.0 1