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−20% error bound
                                                  −40% error bound
                                                                                            −40% error bound



                    第 46 卷         王帅帅,等: 数据驱动的箍筋加密钢筋混凝土柱爆炸损伤预测与评估模型                       −20% error bound  第 11 期


                       1.0                                      1.0
                                             +20% error bound
                                                                                      +20% error bound
                                                                               2
                                      2
                             Training set, R =0.999                   Training set, R =0.997
                                                                              2
                             Testing set, R =0.986 +40% error bound   Testing set, R =0.984 +40% error bound
                                     2
                       0.8                                      0.8
                     Prediction value  0.6        −20% error bound  Prediction value  0.6  −20% error bound
                                                                                            −40% error bound
                                                  −40% error bound
                                                                0.4
                       0.4
                       0.2                                      0.2
                        0                                        0
                          0     0.2   0.4   0.6    0.8   1.0        0     0.2   0.4   0.6   0.8   1.0
                                      Actual value                              Actual value
                                    (c) XGBoost                             (d) LightGBM
                       1.0                                      1.0
                                             +20% error bound
                                                                                      +20% error bound
                             Training set, R =0.984                   Training set, R =0.997
                                                                               2
                                      2
                                                                              2
                                     2
                             Testing set, R =0.958 +40% error bound   Testing set, R =0.989 +40% error bound
                       0.8                                      0.8
                      Prediction value  0.6       −20% error bound  Prediction value  0.6  −20% error bound
                                                                                            −40% error bound
                                                  −40% error bound
                       0.4
                                                                0.4
                       0.2                                      0.2
                        0                                        0
                          0     0.2   0.4   0.6    0.8   1.0        0     0.2   0.4   0.6   0.8   1.0
                                      Actual value                              Actual value
                                     (e) MLP                                  (f) TabPFN
                                             图 11    6  种算法的预测值与真实值的比较
                                  Fig. 11    Comparison of predicted values and actual values for six algorithms


                                               表 7    每个机器学习模型的性能指标
                                     Table 7    Performance metrics for each machine learning model
                      模型               数据集              R 2           e MAE         e RMSE        e MedAE
                                     Training set      0.998         0.007         0.014          0.005
                      DT
                                      Testing set      0.970         0.029         0.050          0.015
                                     Training set      0.996         0.010         0.017          0.006
                      RF
                                      Testing set      0.981         0.026         0.040          0.018
                                     Training set      0.999         0.006         0.008          0.004
                    XGBoost
                                      Testing set      0.986         0.024         0.034          0.018
                                     Training set      0.997         0.011         0.016          0.008
                    LightGBM
                                      Testing set      0.984         0.024         0.036          0.018
                                     Training set      0.984         0.026         0.036          0.019
                      MLP
                                      Testing set      0.958         0.039         0.059          0.024
                                     Training set      0.997         0.008         0.015          0.005
                     TabPFN
                                      Testing set      0.989         0.018         0.030          0.011
                注:字体加粗表示模型在该方面表现最佳。

                                                            2
               e MAE =0.006,e RMSE =0.008,e MedAE =0.004  和测试集的  R =0.986,e MAE =0.024,e RMSE =0.034,e MedAE =0.018;基于
                                                                                        2
                                 2
               TabPFN  训练集的    R =0.997,e  MAE =0.008,e  RMSE =0.015,e MedAE =0.005  和测试集的  R =0.989,e MAE =0.018,

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