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PCA results for particleboard properties.
| Component | Variance explained (%) | Key variables | Correlations |
|---|---|---|---|
| 1 | 49.57 | Density, MOR, MOE, IB, water absorption (negative) | Positive correlations with mechanical properties and negative with water absorption |
| 2 | 12.47 | Thickness swelling (TS2, TS24) | Positive correlations with thickness swelling |
