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 effect of extracted layer numbers.
| Extraction layer number | P value (%) | R value (%) | F1 score (%) |
| Total layers | 85.21 | 79.23 | 82.11 |
| The last six layers | 85.15 | 78.65 | 81.77 |
| The last four layers | 85.50 | 78.68 | 81.95 |
| The last two layers | 84.51 | 78.68 | 81.49 |
