README 引用 https://www.kaggle.com/c/rossmann-store-sales https://blog.csdn.net/capecape/article/details/78623897 https://github.com/NemoHoHaloAi/machine-learning-plus/blob/master/notes/%E9%9D%9E%E7%9B%91%E7%9D%A3%E5%AD%A6%E4%B9%A0/5.PCA-%E4%B8%BB%E6%88%90%E5%88%86%E5%88%86%E6%9E%90.md https://github.com/NemoHoHaloAi/machine-learning-plus/blob/master/notes/%E7%9B%91%E7%9D%A3%E5%AD%A6%E4%B9%A0/6.%E9%9B%86%E6%88%90B-B.md https://blog.csdn.net/juzexia/article/details/77743218 数据集 https://www.kaggle.com/c/cs3244-rossmann-store-sales/data