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.
Demonstration of the sub-population comparison window. Sub-populations based on user-defined covariate patterns can be generated and viewed using this display window. The sub-population control box in the upper-right hand corner allows the user to view the corresponding covariate values.
