NetworkX Network: 用NetworkX找出台灣公司網絡核心 by Leo Hung @PyCon TW 2014

1. NetworkX Network
⽤用NetworkX找出台灣公司網絡核⼼心
San-Chuan “Leo” Hung
2014/ 05/ 17

2. Leo Hung
Intern@gogolook
http://leohung.net
!
Web Development
Machine Learning
Data Analysis

3. 社會網絡

4. @ronnywang
http://company-graph.g0v.ronny.tw/?id=22555003

5. 我也可以

7. 囧

8. Information Core Network
data source: http://company.g0v.ronny.tw

9. 假設 Ｘ ⼯工具

10. Assumptions of Information
Core Network
Important Nodes
Easy to receive information
The nodes are close to others

11. Closeness

12. Brief Code
• import networkx as nx
• from matplotlib import pyplot as plt
• G = nx.Graph()
• G.add_edge(v1, v2)
• G = nx.read_edgelist(filename)
• closeness_dict = nx.closeness_centrality(G)
• nx.draw_networkx(core_G)
• plt.show()

13. data source: http://company.g0v.ronny.tw

14. data source: http://company.g0v.ronny.tw

15. More NetworkX
• Pure Python
• Network Analysis
• Centrality
• Visualization
• Community Detection
• Network Generation

16. References
• NetworkX
• http://networkx.github.io/index.html
• Dataset
• 台灣公司資料 http://company.g0v.ronny.tw
• Standford http://snap.stanford.edu/data/

17. More
• LeoHung.self()
• http://leohung.net
• Code
• https://github.com/LeoHung/
pycon2014_tw_company_core_network