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cdlib

GiulioRossetti / cdlib

Star 238
Open

ZeroDevisionError in Expectation Maximization Community Algorithm

5
OUStudent
OUStudent commented Nov 24, 2021

Trying to use em function to find communities in my undirected networkx Graph.

Line 31 in algorithms\internal\em.py there is a
q[i][g] /= norm, which throws a division by zero error. Looking at the source code of the e_step function:

    def e_step(self, q):
        for i in range(self.n):
            q.append([])
            norm = 0.0
            for g in range(self.k):
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bug good first issue
EgoSplitting

benedekrozemberczki / EgoSplitting

Sponsor
Star 70

A NetworkX implementation of "Ego-splitting Framework: from Non-Overlapping to Overlapping Clusters" (KDD 2017).

machine-learning deep-learning clustering machine-learning-algorithms community-detection networkx kdd community-detection-algorithm igraph graph-clustering louvain-algorithm fuzzy-clustering ego-network louvain-community-detection louvain-method community-detection-evaluation ego-networks graph-clustering-algorithm fast-clustering persona-graph
  • Updated Mar 2, 2022
  • Python

lgaalves / AppliedMathSchoolLectures

Star 28

Lectures on "crime and political corruption analysis using data mining, machine learning and complex networks" at the School of Applied Mathematics in the Institute of Mathematics and Computer Science at University of São Paulo

python data-science machine-learning data-mining big-data social-networks scikit-learn jupyter-notebook community-detection networkx web-scraping complex-networks igraph crime-prediction corruption-networks crimonology quantitative-criminology
  • Updated Jul 7, 2019
  • Jupyter Notebook

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