Figure 7.
The dendrogram of hierarchical clustering of runners, where each unit on the x-axis represents one user and their diversity in activity is measured by the y-axis.
Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.