Figure 4. Node degrees for DTF and SL coded by the dimensions of the circles.
From left to the right: DTF outflows, DTF inflows, SL node degree.
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.