基于SMA算法优化随机森林的PPV预测模型

邓红卫,罗亮

PPV Prediction Model Based on Random Forest Optimized by SMA Algorithm

Hongwei DENG,Liang LUO

表7 6组经验公式的常量项及拟合评价指标

Table 7 Constant terms and fitting evaluation indexes of six groups of empirical formulas

经验公式 参数 评价指标 K B A n MAE R2 RMSE MEDEA USBM 13.1027 0.7479 - - 3.0944 0.0195 5.6826 1.6959 Lang-Kihl 0.2867 1.9959 - - 2.8063 0.1031 4.3341 1.4054 General 9.3569e-5 0.5392 2.1427 - 2.2920 0.2649 3.7887 0.1357 Amb-Hend 24.9367 0.6897 - - 3.1793 0.0079 4.5676 1.8497 Indian Standard 6.1020 0.7806 - - 3.0219 0.0341 4.5570 1.7112 CMRIP 12.9205 - - 1.1330 3.1571 0.0094 4.5826 1.6516