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.
K-means clustering plot in at-least-one-HPV-vaccination rates for each U.S. state during 9-year span. The cluster 3 (7 states) matches with Pattern 1, the cluster 1 (22 states) with Pattern 2, and the cluster 2 (22 states) with Pattern 3. The cluster 1 includes six states from GMM analysis (CA, DC, DE, MA, RI, and WA) plus HI.
