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.
Model component view. By selecting multiple variables in the left panel and dragging these to the right panel, all interactions between the selected variables are included in the model. By ticking the box ‘Add to null model’ the associated variable is included in all models
