Group Numbers for Two-Group Network

Outputs group numbers given ID numbers for a two-group network.

Usage

idgroup(nw, ids = NULL)

Arguments

nw

Object of class network or networkDynamic.

ids

Vector of ID numbers for which the group number should be returned. If NULL (default), return all IDs.

Value

A vector containing the group number for each of the specified nodes.

Examples

nw <- network_initialize(n = 10)
nw <- set_vertex_attribute(nw, "group", rep(1:2, each = 5))
idgroup(nw)
#>  [1] 1 1 1 1 1 2 2 2 2 2
idgroup(nw, ids = c(3, 6))
#> [1] 1 2