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.
Variable importance for the classification of hard cardiac events.
The top 25 variables are displayed: clinical risk factors in blue, quantitative imaging measures in grey, and serum biomarkers in red. The “gain” denotes how much a variable contributes to the prediction made by the XGBoost algorithm.
