Graphics Reference
In-Depth Information
adjacent to whatever you are pointing at. Most software packages have an
information panel beside the graph somewhere.
For example, you could use the yEd Properties View panel (discussed in
more detail in Chapter 7), which is typically in the lower-right corner.
Cytoscape typically displays a panel at the bottom. Note that, in some
software, you must go into a particular mode to access the details for a
node. For example, in Gephi, you must click the following icon for the Edit
Selector, which, in turn, opens a detail panel in the upper-left corner:
.
Picking any item and inspecting the details panel helps you validate what
you're seeing. In many software packages, the detail panel is also an editor
where you can edit the data and possibly other graphical attributes.
Tip
You can identify a few nodes at random to spot-check the validity of the
data and confirm the visual mapping.
Getting back to the market basket analysis, any node can be selected and
inspected, as shown in
Figure 6-4
,
which shows a snapshot of Gephi with
the detail panel in the upper-left corner. Here you can see that the item
is product number 10206, that 5 units were sold for a total of $320.58 in
revenue, and the product name is Welch (which is not the real product
name because the real data is confidential). Note that all the attributes are
editable,includingcolor,whichhasbeenchangedheretoyellowtomakethe
selected node stand out in the screen snapshot.
