Figure 8
XGBoost modeling effect of validation set, (a) Si, (b) Al, (c) K, (d) Ca, (e) Fe, (f) Ti. *The bar chart is labeled R2 for this model.
Figure 8 | Scientific Reports
XGBoost modeling effect of validation set, (a) Si, (b) Al, (c) K, (d) Ca, (e) Fe, (f) Ti. *The bar chart is labeled R2 for this model.
