GetEgonet

GetEgonet(NId)

A graph method that returns an ego network of the node NId and the number of connecting edges. The ego network includes the node NId, its neighbours, and all the edges between them. Connecting edges are the edges between a node in the ego network and a node not in the network. The method is supported for TUNGraph and TNGraph. For TUNGraph, connecting edges is a single value, for TNGraph, connecting edges is represented by a pair of incoming and outgoind edges from the ego network.

Parameters:

• NId: int

  Id of the center node of the ego network.

Return value:

• graph

  A graph of the same type as the input graph, containing the ego network for NId.

• edges: int

  The number of connecting edges from the ego network. For TNGraph, only incoming edges are counted here.

• edges: int (returned only for TNGraph):

  The number of outgoing connecting edges from the ego network.

The following example shows how to create a subgraph for nodes in TUNGraph, and TNGraph:

import snap

UGraph = snap.GenRndGnm(snap.TUNGraph, 100, 1000)
Egonet, edges = UGraph.GetEgonet(0)

NGraph = snap.GenRndGnm(snap.TNGraph, 100, 1000)
Egonet, edges_in, edges_out = NGraph.GetEgonet(0)