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_

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Analyzing social media networks with NodeXL - Chapter - 06 Images

  1. 1. 1Copyright © 2011, Elsevier Inc. All rights Reserved Chapter 6 Preparing Data and Filtering Analyzing Social Media Networks with NodeXL Insights from a Connected World
  2. 2. 2Copyright © 2011, Elsevier Inc. All rights Reserved FIGURE 6.1 Chapter6 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. 3. 3Copyright © 2011, Elsevier Inc. All rights Reserved FIGURE 6.2 Chapter6 SeriousEats merged data showing only one row connecting user cucumberpandan with blog post GroceryNinja and a new Edge Weight column.
  4. 4. 4Copyright © 2011, Elsevier Inc. All rights Reserved FIGURE 6.3 Chapter6 Sorting the Vertex column in alphabetical order (sort A to Z).
  5. 5. 5Copyright © 2011, Elsevier Inc. All rights Reserved FIGURE 6.4 Chapter6 Populating the Color and Shape column data for blogs (beginning with “B_”) by using Excel’s built-in automatic fill tool.
  6. 6. 6Copyright © 2011, Elsevier Inc. All rights Reserved FIGURE 6.5 Chapter6 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. 7. 7Copyright © 2011, Elsevier Inc. All rights Reserved FIGURE 6.6 Chapter6 Layout Options dialog with the “Put the graph’s smaller components at the bottom of the graph” selected.
  8. 8. 8Copyright © 2011, Elsevier Inc. All rights Reserved FIGURE 6.7 Chapter6 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. 9. 9Copyright © 2011, Elsevier Inc. All rights Reserved FIGURE 6.8 Chapter6 NodeXL Dynamic Filters dialog box after calculating the metric Degree, choosing Refresh Filters, and increasing the edge weight from 1 to 2.
  10. 10. 10Copyright © 2011, Elsevier Inc. All rights Reserved FIGURE 6.9 Chapter6 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. 11. 11Copyright © 2011, Elsevier Inc. All rights Reserved FIGURE 6.10 Chapter6 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. 12. 12Copyright © 2011, Elsevier Inc. All rights Reserved FIGURE 6.11 Chapter6 Dynamic filters set to a minimum degree of 6 with filter opacity at 10 percent.
  13. 13. 13Copyright © 2011, Elsevier Inc. All rights Reserved FIGURE 6.12 Chapter6 Vertex Visibility Options dialog box set to show only vertices that are greater than or equal to 6.
  14. 14. 14Copyright © 2011, Elsevier Inc. All rights Reserved FIGURE 6.13 Chapter6 NodeXL Autofill Columns filtered view of the SeriousEats social media network, limited by Degree of 6 or more. The Sugiyama layout is used.
  15. 15. 15Copyright © 2011, Elsevier Inc. All rights Reserved FIGURE 6.14 Chapter6 Subgraph Images dialog box with the number of adjacent vertices to include set to 2.0.
  16. 16. 16Copyright © 2011, Elsevier Inc. All rights Reserved FIGURE 6.15 Chapter6 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. 17. 17Copyright © 2011, Elsevier Inc. All rights Reserved FIGURE 6.16 Chapter6 SeriousEats visualization emphasizing the most important people (black circles), forums (orange squares), and blogs (blue diamonds).

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