Fig. 1: Scatter plots of prediction values vs. actual values of each model and error distribution characteristics of all samples.

a Performance of GBDT, b BPNN, c SVR, d XGBoost, e error distribution of GBDT, f BPNN, g SVR, h XGBoost.
a Performance of GBDT, b BPNN, c SVR, d XGBoost, e error distribution of GBDT, f BPNN, g SVR, h XGBoost.