I\'m trying to solve a problem which involves assigning share between several members of a group. As a concrete example, our data might look like
目录1、读取数据文件(1)读取 .csv 文件:(2)读取 .xls 文件:(3)读取 .txt 文件:2、数据文件的拆分与合并(1)将 Excel 文件分割为多个文件(2)将 多个 Excel 文件合并为一个文件3、数据的预处理(1)缺失数