Graphics Reference
In-Depth Information
In Gephi, this technique of highlighting the immediate neighbors applies to
any selection. Using Gephi for the market basket analysis, you can select all
the nodes in the top-right cluster, which highlights all the neighbors to all
the selected nodes, as shown in Figure 6-9 .
Figure 6-9: Light fixtures have only a few connections back to the central
mass of products including smoke detectors and extended warranties.
Without interaction, it is easy to see that the cluster is distinct with only a
few edges going back to the center. Now, with the neighbors highlighted,
you can identify the individual nodes that connect this cluster to the center.
This cluster happens to be light fixtures, and the connected products in the
center are items such as smoke detectors and extended warranties. You can
also see a number of products in the cluster immediately below that are
joined. These are products associated with household painting. This implies
a reasonable degree of connection between lighting products and painting
products.
 
 
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