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.
a-b. Percentage of simulations with Type I errors and in which parameter coverage included the true parameter given a true parameter value of 0.01 in the cross-sectional scenario, for a.) outlier dependent overdispersion and b.) overdispersion caused by zero inflation.
