How to use the infomap.infomap.run function in infomap

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github YcheCourseProject / CommunityDetection / src / Compared_Algorithms / Infomap / Infomap / examples / python / example-networkx.py View on Github external
Annotates nodes with 'community' id and return number of communities found.
	"""
	conf = infomap.init("--two-level");
	# Input data
	network = infomap.Network(conf);
	# Output data
	tree = infomap.HierarchicalNetwork(conf)

	print("Building network...")
	for e in G.edges_iter():
		network.addLink(*e)

	network.finalizeAndCheckNetwork(True, nx.number_of_nodes(G));

	# Cluster network
	infomap.run(network, tree);

	print("Found %d top modules with codelength: %f" % (tree.numTopModules(), tree.codelength()))

	communities = {}
	clusterIndexLevel = 1 # 1, 2, ... or -1 for top, second, ... or lowest cluster level
	for node in tree.leafIter(clusterIndexLevel):
		communities[node.originalLeafIndex] = node.clusterIndex()

	nx.set_node_attributes(G, 'community', communities)
	return tree.numTopModules()
github YcheCourseProject / CommunityDetection / src / Compared_Algorithms / Infomap / Infomap / examples / python / example-file-io.py View on Github external
import os.path
from infomap import infomap

conf = infomap.init("--silent -N5")
# Add output directory (and output name) to automatically write result to file
# conf = infomap.init("--silent -N5 . --out-name test")

filename = "../../ninetriangles.net"
name = os.path.splitext(os.path.basename(filename))[0]
print("Loading network from '%s'..." % filename)
network = infomap.Network(conf)
network.readInputData(filename)

print("Running Infomap...")
tree = infomap.HierarchicalNetwork(conf)
infomap.run(network, tree)

print("Found %d top modules with codelength: %f" % (tree.numTopModules(), tree.codelength()))

print("Writing top level clusters to %s_level1.clu..." % name)
tree.writeClu("%s_level1.clu" % name, 1)
print("Writing second level clusters to %s_level2.clu..." % name)
tree.writeClu("%s_level2.clu" % name, 2)

print("Writing tree to %s.tree..." % name)
tree.writeHumanReadableTree("%s.tree" % name)

print("Done!")
github YcheCourseProject / CommunityDetection / src / Compared_Algorithms / Infomap / Infomap / examples / python / Infomap.py View on Github external
network.addLink(2, 0)
network.addLink(3, 0)
network.addLink(3, 4)
network.addLink(3, 5)
network.addLink(4, 3)
network.addLink(4, 5)
network.addLink(5, 4)
network.addLink(5, 3)

print("Num links: %d" % network.numLinks())

network.finalizeAndCheckNetwork()

tree = infomap.HierarchicalNetwork(conf)

infomap.run(network, tree)

print("Found %d top modules with codelength: %f" % (tree.numTopModules(), tree.codelength()))

communities = {}
clusterIndexLevel = 1 # 1, 2, ... or -1 for top, second, ... or lowest cluster level
print("Tree:")
for node in tree.treeIter(clusterIndexLevel):
	print("%d %s %f %s" % (node.clusterIndex(), "  " * node.depth(), node.data.flow, node.data.name))
	if node.isLeafNode():
	    communities[node.originalLeafIndex] = node.clusterIndex()

print("Communities: %s" % communities)

print("Done!")

infomap

Infomap network clustering algorithm

GPL-3.0
Latest version published 5 months ago

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70 / 100
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