Figure 1. Scree plot showing eigenvalues for each component, in factor extraction of data obtained from a food-frequency questionnaire answered by 517 people.
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.