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.
Calibration curves for the Cox proportional hazard model and the random survival forest when RCS was used to construct the calibration curves. There is one curve for each of the two models. The diagonal line denotes the line of perfect calibration. The density function denotes a non‐parametric estimate of the distribution of predicted risk across the sample (right axis) [Colour figure can be viewed at wileyonlinelibrary.com]
