Fig. 4.
The curve-linear relationship (green) between the half width of the bootstrap 68 %CI and the logit of the propensity score, compared with the unit-invariant caliper band (red)
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.