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.
Coverage of 97.5% lower confidence intervals for the impact of treating the optimal subgroup versus sample size. Horizontal axis on a log scale. All methods (approximately) achieve nominal coverage, with the stabilized one-step and non-oracle CV-TMLE generally being conservative.
