Use this if you are using igraph from R
| make_clusters {igraph} | R Documentation | 
This is useful to integrate the results of community finding algorithms that are not included in igraph.
make_clusters(
  graph,
  membership = NULL,
  algorithm = NULL,
  merges = NULL,
  modularity = TRUE
)
| graph | The graph of the community structure. | 
| membership | The membership vector of the community structure, a
numeric vector denoting the id of the community for each vertex. It
might be  | 
| algorithm | Character string, the algorithm that generated the community structure, it can be arbitrary. | 
| merges | A merge matrix, for hierarchical community structures (or
 | 
| modularity | Modularity value of the community structure. If this
is  | 
A communities object.