select_component: Select Connected Component

In cograph: Analysis and Visualization of Complex Networks

Select Connected Component

Description

Select nodes belonging to a specific connected component.

Usage

select_component(
  x,
  which = "largest",
  ...,
  .keep_edges = c("internal", "none"),
  keep_format = FALSE,
  directed = NULL
)

Arguments

x	Network input.
which	Component selection: "largest" (default) The largest connected component Integer Component by ID Character Component containing the named node
...	Additional filter expressions to apply after component selection.
.keep_edges	How to handle edges. Default "internal".
keep_format	Logical. Keep input format? Default FALSE.
directed	Logical or NULL. Auto-detect if NULL.

Value

A cograph_network with nodes in the selected component.

See Also

select_nodes, select_neighbors

Examples

# Create disconnected network
adj <- matrix(0, 6, 6)
adj[1, 2] <- adj[2, 1] <- 1
adj[1, 3] <- adj[3, 1] <- 1
adj[4, 5] <- adj[5, 4] <- 1
adj[5, 6] <- adj[6, 5] <- 1
adj[4, 6] <- adj[6, 4] <- 1
rownames(adj) <- colnames(adj) <- LETTERS[1:6]

# Largest component
select_component(adj, which = "largest")

# Component containing node "A"
select_component(adj, which = "A")

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