Example #1
0
def load_synthetic(mu, n=1000, tau1=3, tau2=1.5, edge_drop_percent=0.2):
    G = LFR_benchmark_graph(n,
                            tau1,
                            tau2,
                            mu,
                            average_degree=5,
                            min_community=30,
                            seed=10)
    for n in G.nodes:
        G.nodes[n]['value'] = list(G.nodes[n]['community'])[0]
    true_coms = list(nx.get_node_attributes(G, 'value').values())
    com_keys = list(Counter(true_coms).keys())
    for i in range(0, len(true_coms)):
        G.nodes[i]['value'] = com_keys.index(true_coms[i])
    #remove self edges
    selfE = list(G.selfloop_edges())
    for (i, j) in selfE:
        G.remove_edge(i, j)

    #convert all graph to undirected
    G = nx.Graph(G)
    ListOfNodes = list(G.nodes())
    sample = int(len(ListOfNodes) * node_drop_percent)
    RandomSample = random.sample(ListOfNodes, sample)
    for n in G.nodes():
        if (n not in RandomSample):
            G.nodes[n][label_name] = G.nodes[n]['value']
    return (G, RandomSample)
Example #2
0
def load_synthetic(n=250, tau1=3, tau2=1.5, mu=0.1):
    G = LFR_benchmark_graph(n, tau1, tau2, mu, average_degree=5, min_community=20, seed=10)
    for n in G.nodes:
    	G.nodes[n]['value'] = list(G.nodes[n]['community'])[0]
    true_coms = list(nx.get_node_attributes(G,'value').values())
    com_keys = list(Counter(true_coms).keys())
    for i in range(0, len(true_coms)):
    	G.nodes[i]['value'] = com_keys.index(true_coms[i])

    true_labels = list(nx.get_node_attributes(G,'value').values())
    true_labels = [ int(x) for x in true_labels ]

    #remove self edges 
    selfE = list(G.selfloop_edges())
    for (i,j) in selfE:
        G.remove_edge(i,j)

    #convert all graph to undirected
    G = nx.Graph(G)
    nG = nx.Graph(G)

    # first convert the networkx graph to igraph 
    G = ig.Graph.Adjacency((nx.to_numpy_matrix(G) > 0).tolist())
    G.to_undirected()

    return (G, nG, true_labels)