| Particle Size | Predictors | % Var explained | Mean of squared residuals |
| Silt | Original scale | 3.82 | 0.0007345 |
| MGG 1:75,000 + 1:100,000 | 31.73 | 0.0000674 | |
| Sand | Original Scale | 6.9 | 0.0023651 |
| MGG 1:25,000 + 1:75,000 | 32.43 | 0.0002224 |