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Analyzing social media networks with NodeXL - Chapter - 06 Images

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Figures and images from the book: _Analyzing social media networks with NodeXL: Insights from a connected world_

Figures and images from the book: _Analyzing social media networks with NodeXL: Insights from a connected world_

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  • The University of Adelaide, School of Computer Science October 31, 2010 Chapter 2 — Instructions: Language of the Computer

Analyzing social media networks with NodeXL - Chapter - 06 Images Presentation Transcript

  • 1. Copyright © 2011, Elsevier Inc. All rights Reserved Chapter 6 Preparing Data and Filtering Analyzing Social Media Networks with NodeXL Insights from a Connected World
  • 2. FIGURE 6.1 Copyright © 2011, Elsevier Inc. All rights Reserved Chapter 6 SeriousEats unmerged data with duplicate edges. For example, user cucumberpandan is connected to blog post B_GroceryNinja three separate times (rows 16, 18, and 20), but only one edge (in red) connects them. The Prepare Data drop-down list on the NodeXL ribbon is selected in preparation to “ Merge Duplicate Edges. ”
  • 3. FIGURE 6.2 Copyright © 2011, Elsevier Inc. All rights Reserved Chapter 6 SeriousEats merged data showing only one row connecting user cucumberpandan with blog post GroceryNinja and a new Edge Weight column.
  • 4. FIGURE 6.3 Copyright © 2011, Elsevier Inc. All rights Reserved Chapter 6 Sorting the Vertex column in alphabetical order (sort A to Z).
  • 5. FIGURE 6.4 Copyright © 2011, Elsevier Inc. All rights Reserved Chapter 6 Populating the Color and Shape column data for blogs (beginning with “B_”) by using Excel’s built-in automatic fill tool.
  • 6. FIGURE 6.5 Copyright © 2011, Elsevier Inc. All rights Reserved Chapter 6 SeriousEats updated graph showing users as black disks, forum topics as orange solid squares, and blog topics as blue solid triangles. The Harel-Koren Fast Multiscale layout is used. The Layout options are selected so that the graph’s smaller components can be separated from the larger one (notice the single forum-username pair in the bottom-left corner of the graph).
  • 7. FIGURE 6.6 Copyright © 2011, Elsevier Inc. All rights Reserved Chapter 6 Layout Options dialog with the “Put the graph’s smaller components at the bottom of the graph” selected.
  • 8. FIGURE 6.7 Copyright © 2011, Elsevier Inc. All rights Reserved Chapter 6 NodeXL Dynamic Filters dialog box with double boxed sliders, which allow you to set minimum and maximum values to filter out edges or vertices. Frequency distributions are shown visually above each slider.
  • 9. FIGURE 6.8 Copyright © 2011, Elsevier Inc. All rights Reserved Chapter 6 NodeXL Dynamic Filters dialog box after calculating the metric Degree, choosing Refresh Filters, and increasing the edge weight from 1 to 2.
  • 10. FIGURE 6.9 Copyright © 2011, Elsevier Inc. All rights Reserved Chapter 6 A dynamically filtered graph showing only edges with edge weight of 2 or higher, except for selected edges such as the one in red connecting user gastronomeg to blog post B_MisoSoup.
  • 11. FIGURE 6.10 Copyright © 2011, Elsevier Inc. All rights Reserved Chapter 6 Six images of the SeriousEats social media network of blogs, discussions, and people created in NodeXL by incrementally increasing the minimum Degree slider beginning with a minimum Degree of 1 (upper-left image) and ending with a minimum Degree of 6 (lower-right image).
  • 12. FIGURE 6.11 Copyright © 2011, Elsevier Inc. All rights Reserved Chapter 6 Dynamic filters set to a minimum degree of 6 with filter opacity at 10 percent.
  • 13. FIGURE 6.12 Copyright © 2011, Elsevier Inc. All rights Reserved Chapter 6 Vertex Visibility Options dialog box set to show only vertices that are greater than or equal to 6.
  • 14. FIGURE 6.13 Copyright © 2011, Elsevier Inc. All rights Reserved Chapter 6 NodeXL Autofill Columns filtered view of the SeriousEats social media network, limited by Degree of 6 or more. The Sugiyama layout is used.
  • 15. FIGURE 6.14 Copyright © 2011, Elsevier Inc. All rights Reserved Chapter 6 Subgraph Images dialog box with the number of adjacent vertices to include set to 2.0.
  • 16. FIGURE 6.15 Copyright © 2011, Elsevier Inc. All rights Reserved Chapter 6 Subgraph Images on the Vertices worksheet showing differences between forums such as Vietnamese (top of graph) and PerfectFood (middle of graph), both of which are selected.
  • 17. FIGURE 6.16 Copyright © 2011, Elsevier Inc. All rights Reserved Chapter 6 SeriousEats visualization emphasizing the most important people (black circles), forums (orange squares), and blogs (blue diamonds).