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Loading factors of principal components in the different models
| Training/validation model | Averaged 1:1 model | ||
| LD1 | LD1 (95% CI) | ||
| PC1 | 0.23 | PC1 | 0.11 (0.11–0.11) |
| PC2 | −0.51 | PC2 | −0.63 (−0.64–(−)0.63) |
| PC3 | −0.29 | PC3 | −0.12 (−0.13–(−)0.12) |
| PC4 | 1.17 | PC4 | 0.84 (0.84–0.84) |
LD1: linear discriminant function 1; PC: principal component; CI: confidence interval.
