get_cmty_l_eigenvec: Get community membership by leading eigenvector

Description Usage Arguments Value Examples

View source: R/get_cmty_l_eigenvec.R

Description

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.

Usage

1

Arguments

graph

a graph object of class dgr_graph.

Value

a data frame with group membership assignments for each of the nodes.

Examples

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# 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()

# 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()

DiagrammeR documentation built on March 18, 2018, 1:25 p.m.