📜  pandas groupby 并显示特定列 - Python 代码示例

📅  最后修改于: 2022-03-11 14:45:55.746000             🧑  作者: Mango

代码示例1
In [11]: df.groupby(['Country', 'Item_Code'])[["Y1961", "Y1962", "Y1963"]].sum()
Out[11]:
                       Y1961  Y1962  Y1963
Country     Item_Code
Afghanistan 15            10     20     30
            25            10     20     30
Angola      15            30     40     50
            25            30     40     50