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fix "ValueError: max()" in LPA.get_max_neighbor_label() #10

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fix "ValueError: max()" in LPA.get_max_neighbor_label() #10

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7 changes: 6 additions & 1 deletion algorithm/LPA.py
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Original file line number Diff line number Diff line change
Expand Up @@ -28,6 +28,11 @@ def get_max_neighbor_label(self,node_index):
for neighbor_index in self._G.neighbors(node_index):
neighbor_label = self._G.node[neighbor_index]["label"]
m[neighbor_label] += 1

if(not bool(m)):
#return label of the vertex itself if it's an isolated vertex
return [self._G.node[node_index]["label"]]

max_v = max(m.itervalues())
return [item[0] for item in m.items() if item[1] == max_v]

Expand Down Expand Up @@ -68,4 +73,4 @@ def execute(self):
algorithm = LPA(G)
communities = algorithm.execute()
for community in communities:
print community
print community