Fig. 1.
Design matrix. Six scanners are separated by patients and controls, i.e., scanner 1 normals, scanner 1 AD, scanner 2 normals, scanner 2 AD, etc. Nuisance covariates include age, sex, and total intracranial volume (TIV).
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.