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.
Bias density graphs across joint health state utility estimators
Bias = estimated utility minus observed utility, using bootstrapped estimator distribution. Zero bias indicates more accurate estimator. Negative bias indicates the estimator underestimated the observed utility; positive bias indicates the estimator overestimated the observed joint utility.
