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.
Main effects plot for prostate cancer. The plot on the left demonstrates search activity for each month, where each point is the average of all values for a particular month across all years, e.g. point 1 is the average search activity for January across all years. The plot on the right shows the effect of year, where each point is the average search activity for a particular year.
