Figure 5.
Mean cross-validation performance 
of the selected model when adding each
descriptor in turn (“forward”) and removing each descriptor
in turn (“backwards”).
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.