Table 1 Results of principal component analysis.
RC1 | RC2 | h2 | u2 | |
|---|---|---|---|---|
Railway | 0.62 | 0.22 | 0.43 | 0.571 |
People | − 0.08 | 0.97 | 0.94 | 0.058 |
Temperature | 0.85 | − 0.17 | 0.75 | 0.251 |
Precipitation | 0.80 | − 0.08 | 0.64 | 0.362 |
Pig | 0.88 | − 0.05 | 0.77 | 0.228 |
Influence degree | 0.94 | − 0.08 | 0.89 | 0.108 |
Highway | 0.91 | − 0.13 | 0.84 | 0.156 |
Eigenvalue | 4.22 | 1.05 | ||
Contribution Rate | 0.60 | 0.15 | ||
Cumulative Rate | 0.60 | 0.75 | ||
Proportion Explained | 0.80 | 0.20 |