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.
Bootstrap support is shown by coloring branches preceding nodes, with low support (from 0 to 70) ranging from white to red. Increasing the size of the SCG reduced the number of low-support branches.
