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.
These heatmaps show how similar (near zero) or different (about 200,000) the individuals in the clusters are. A cluster is interesting when its members are very similar and are very different from individuals in other groups.
