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.
Relative importance of the criteria. Based on the mean preference values, each number in the table is a ratio corresponding to the importance of the criterion on the left relative to the criterion at the top. The ratios are obtained by dividing the left preference values by the top preference values.
