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The (hidden) patterns - networks

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What is network analysis good for, and how can you apply it yourself using open source tools? A demo is shown, making a plot of the matatu bus network in Nairobi, Kenya.

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The (hidden) patterns - networks

  1. 1. The (hidden) patterns Network analysis
  2. 2. Stuff you can do with networks ...
  3. 3. How are people connected?
  4. 4. Where will the traffic get stuck?
  5. 5. What is the optimal route for energy and materials?
  6. 6. How do products or diseases spread?
  7. 7. Some technical background
  8. 8. 1 2 3 4 5 6 7 node or vertex link or edge edge weight hub with 4 degrees Which node is most central? (power, access to information, etc.)
  9. 9. Demo: building a different matatu map
  10. 10. Step 1: get vertices & edges
  11. 11. Step 2: Add centrality measures
  12. 12. Step 3: plot
  13. 13. Step 4 : Extract clusters
  14. 14. Step 5: Extract backbone
  15. 15. Resources: Data processing: ● R ● igraph, sna, network, etc ● data.table, magrittr Plotting: ● Cytoscape ● Gephi ● Yed Digital matatu map: ● digitalmatatus.com
  16. 16. Henk Harmsen https://www.linkedin.com/in/carbonmetrics https://stackoverflow.com/users/580110/henk image: edits on Wikipedia Kenya page

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