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.
The FIDI matrix of four criteria.
| Criteria | C1 | C2 | C3 | C4 |
|---|---|---|---|---|
| C1 | (0,0,0.25) | (0.65,0.9,1) | (0.5,0.75,0.95) | (0.2,0.45,0.7) |
| C2 | (0.55,0.8,0.95) | (0,0,0.25) | (0,0.2,0.45) | (0.55,0.8,1) |
| C3 | (0.15,0.35,0.6) | (0.3,0.55,0.8) | (0,0,0.25) | (0.45,0.8,0.95) |
| C4 | (0.1,0.3,0.45) | (0.05,0.25,0.4) | (0.5,0.75,0.95) | (0,0,0.25) |
