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.
Regression analysis and response regression equation results for the final proposed model.
| Dependent Variables | Source | R 2 | Adjusted R2 | Predicted R2 | SD |
|---|---|---|---|---|---|
| R | Linear | 0.5424 | 0.4368 | 0.3041 | 0.0362 |
| 2FI | 0.5640 | 0.3024 | −0.1510 | 0.0403 | |
| Quadratic | 0.9989 | 0.9974 | 0.9945 | 0.0025 | |
| Cubic | 0.8791 | 0.7665 | − | − |
