compare_communities: Compare Community Structures

In cograph: Analysis and Visualization of Complex Networks

Compare Community Structures

Description

Compares two community structures using various similarity measures.

Usage

compare_communities(
  comm1,
  comm2,
  method = c("vi", "nmi", "split.join", "rand", "adjusted.rand")
)

Arguments

comm1	First community structure (communities object or membership vector)
comm2	Second community structure (communities object or membership vector)
method	Comparison method: "vi" (variation of information), "nmi" (normalized mutual information), "split.join", "rand" (Rand index), "adjusted.rand"

Value

Numeric similarity/distance value

Examples

if (requireNamespace("igraph", quietly = TRUE)) {
  g <- igraph::make_graph("Zachary")
  c1 <- community_louvain(g)
  c2 <- community_leiden(g)
  compare_communities(c1, c2, "nmi")
}

cograph documentation built on April 1, 2026, 1:07 a.m.