Figure 1.
Population (A) and Individual (B) predicted vs. observed concentration. Conditional weighted residual vs. (C) population predicted concentration and (D) time. CWRES, population conditional weighted residuals
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.