View source: R/get_alpha_centrality.R
get_alpha_centrality | R Documentation |
Get the alpha centrality values for all nodes in the graph.
get_alpha_centrality(
graph,
alpha = 1,
exo = 1,
weights_attr = NULL,
tol = 1e-07
)
graph |
A graph object of class |
alpha |
the parameter that specifies the relative importance of endogenous versus exogenous factors in the determination of centrality. |
exo |
the exogenous factors, in most cases this is either a constant (which applies the same factor to every node), or a vector giving the factor for every node. |
weights_attr |
an optional name of the edge attribute to use in the
adjacency matrix. If |
tol |
the tolerance for near-singularities during matrix inversion. The
default value is set to |
A data frame with alpha centrality scores for each of the nodes.
# Create a random graph using the
# `add_gnm_graph()` function
graph <-
create_graph() %>%
add_gnm_graph(
n = 10,
m = 12,
set_seed = 23)
# Get the alpha centrality scores
# for all nodes
graph %>%
get_alpha_centrality()
# Add the alpha centrality
# scores to the graph as a node
# attribute
graph <-
graph %>%
join_node_attrs(
df = get_alpha_centrality(.))
# Display the graph's node
# data frame
graph %>% get_node_df()
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