聚合特征处理方法 https://www.kaggle.com/code/ambrosm/pss4e5-eda-which-makes-sense#Tree-based-models
数据集：
- dataset
- train.csv
- test.csv
线性模型：
- src
- linear_model/
- main.ipynb(https://www.kaggle.com/code/ambrosm/pss4e5-eda-which-makes-sense/notebook)