Graphics Reference
In-Depth Information
Figure 1-13: The left side of this organizational hierarchy uses color to
indicate performance through all the levels, with the lowest level expanded
on the right side to show performance over time.
Hierarchiesareauniquetypeofgraphandcanbeusedtodrilldownthrough
the organization to assess where the contribution to performance is coming
from—for example, based on staff (as shown here) or based on other means
such as attribution models. By providing this hierarchical decomposition,
management can spot whether issues are localized, within a group or
broad-based. Using this insight, they can respond more effectively to these
different scenarios.
Detecting Communities
Beyond genealogical charts and the visualization of friend networks, visual
analysis of social networks has many other applications. In health care,
social networks can be used to analyze relationships and the potential
spread of disease. Researchers have mapped out all the “romantic and
sexual relationships” in a Midwestern high school (research paper: “Chains
of affection: The structure of adolescent romantic and sexual networks” by
Bearman, Moody, and Stovel). Out of 832 participating students, 573 were
 
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