代码：https://github.com/wangmlshadow/Commonly-used-model-building-in-machine-learning/blob/main/Model/%E9%9A%8F%E6%9C%BA%E6%A3%AE%E6%9E%97/%E9%9A%8F%E6%9C%BA%E6%A3%AE%E6%9E%97-Chocolate%20Bar%20Ratings-kaggle.ipynb
随机森林介绍：https://blog.csdn.net/yangyin007/article/details/82385967