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Python代码|八模型+SHAP解释

  • 2026-08-19 14:22:19
Python代码|八模型+SHAP解释

Python代码｜八模型+SHAP解释

今天分享一套从数据探索到模型解释的 Python 回归建模可视化框架。它不只展示一张预测图，而是把数据检查、模型比较、性能诊断和 SHAP 解释串成完整流程，适合用于论文结果章节、组会汇报或机器学习项目展示。
第一张主页图对应数据基础分析。变量分布图用于检查样本范围、偏态和潜在异常值；相关性热图帮助观察变量之间的线性关联结构；PCA 图把高维样本投影到二维空间，便于查看训练集与测试集在降维空间中的分布是否接近。这里的相关关系和空间距离只用于辅助判断，不能直接解释为因果作用。
第二张主页图集中展示模型训练与预测评估。框架同时比较 Ridge、SVR、KNN、RF、ET、GB、MLP 和 XGBoost，并结合分组交叉验证、预测拟合图、残差云雨图和误差 CDF，从预测水平、误差大小与分布形态等角度观察模型表现。相比只看单一指标，这组图更容易发现模型之间的稳定性差异，以及误差是否集中在特定区间。
第三张主页图进入模型诊断与解释环节。残差诊断图用于检查误差结构，学习曲线用于观察训练样本增加时模型表现的变化；SHAP 全局图展示特征总体重要性及贡献方向，阈值依赖图进一步观察非线性响应与可能的变化区间，局部贡献图则解释典型样本的预测是怎样由各特征共同推动形成的。
整套图统一了字体、颜色、图例和输出尺寸，既保留每类图的统计含义，也让三张主页图在视觉上保持连续。需要注意，SHAP 解释的是模型内部的预测贡献，局部结果只对应具体样本，不能直接替代因果分析或外部验证。

📌代码框架获取私信回复“八模型”
#Python代码 #机器学习 #回归建模 #XGBoost #SHAP #模型评估 #模型解释 #科研绘图 #数据可视化 #论文配图

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  1. CONNECT:[ UseTime:0.001076s ] mysql:host=127.0.0.1;port=3306;dbname=f_mffb;charset=utf8mb4
  2. SHOW FULL COLUMNS FROM `fenlei` [ RunTime:0.001330s ]
  3. SELECT * FROM `fenlei` WHERE `fid` = 0 [ RunTime:0.017005s ]
  4. SELECT * FROM `fenlei` WHERE `fid` = 63 [ RunTime:0.000655s ]
  5. SHOW FULL COLUMNS FROM `set` [ RunTime:0.001441s ]
  6. SELECT * FROM `set` [ RunTime:0.016821s ]
  7. SHOW FULL COLUMNS FROM `article` [ RunTime:0.001615s ]
  8. SELECT * FROM `article` WHERE `id` = 509471 LIMIT 1 [ RunTime:0.001167s ]
  9. UPDATE `article` SET `lasttime` = 1787294216 WHERE `id` = 509471 [ RunTime:0.040764s ]
  10. SELECT * FROM `fenlei` WHERE `id` = 66 LIMIT 1 [ RunTime:0.005292s ]
  11. SELECT * FROM `article` WHERE `id` < 509471 ORDER BY `id` DESC LIMIT 1 [ RunTime:0.019671s ]
  12. SELECT * FROM `article` WHERE `id` > 509471 ORDER BY `id` ASC LIMIT 1 [ RunTime:0.015679s ]
  13. SELECT * FROM `article` WHERE `id` < 509471 ORDER BY `id` DESC LIMIT 10 [ RunTime:0.022469s ]
  14. SELECT * FROM `article` WHERE `id` < 509471 ORDER BY `id` DESC LIMIT 10,10 [ RunTime:0.045060s ]
  15. SELECT * FROM `article` WHERE `id` < 509471 ORDER BY `id` DESC LIMIT 20,10 [ RunTime:0.047488s ]
0.421180s