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 difference values of four green view index (GVI) comparative groups.
| GVI and GVI4 | GVI and GVI8 | GVI and GVI18 | GVI and PGVI | |
|---|---|---|---|---|
| Average difference | 0.0038 | −0.0008 | 0.0122 | 0.0518 |
| RMSE | 0.0150 | 0.0058 | 0.0198 | 0.0636 |
| Number of difference > 0 | 239 | 171 | 304 | 390 |
| Number of difference < 0 | 151 | 216 | 86 | 0 |
