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
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a data frame with group membership assignments for each of the nodes.
# Create a random graph using the # `add_gnm_graph()` function graph <- create_graph( directed = FALSE) %>% add_gnm_graph( n = 10, m = 15, 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 graph %>% get_cmty_l_eigenvec()#> id l_eigenvec_group #> 1 1 1 #> 2 2 3 #> 3 3 3 #> 4 4 1 #> 5 5 3 #> 6 6 3 #> 7 7 1 #> 8 8 1 #> 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_l_eigenvec(.)) # Display the graph's node data frame graph %>% get_node_df()#> id type label l_eigenvec_group #> 1 1 <NA> 1 1 #> 2 2 <NA> 2 3 #> 3 3 <NA> 3 3 #> 4 4 <NA> 4 1 #> 5 5 <NA> 5 3 #> 6 6 <NA> 6 3 #> 7 7 <NA> 7 1 #> 8 8 <NA> 8 1 #> 9 9 <NA> 9 1 #> 10 10 <NA> 10 2