删除python pandas.DataFrame 的多重index实例

时间:2022-10-27 23:25:20

如下dataframe想要删除多层index

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1
top1000[:10]

 

      name sex births year prop
year sex            
1880 F 0 Mary F 7065 1880 0.077643
1 Anna F 2604 1880 0.028618
2 Emma F 2003 1880 0.022013
3 Elizabeth F 1939 1880 0.021309
4 Minnie F 1746 1880 0.019188
5 Margaret F 1578 1880 0.017342
6 Ida F 1472 1880 0.016177
7 Alice F 1414 1880 0.015540
8 Bertha F 1320 1880 0.014507
9 Sarah F 1288 1880 0.014155

 

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1
2
3
top1000.index = top1000.index.droplevel()
top1000.index = top1000.index.droplevel()
top1000[:10]
  name sex births year prop
0 Mary F 7065 1880 0.077643
1 Anna F 2604 1880 0.028618
2 Emma F 2003 1880 0.022013
3 Elizabeth F 1939 1880 0.021309
4 Minnie F 1746 1880 0.019188
5 Margaret F 1578 1880 0.017342
6 Ida F 1472 1880 0.016177
7 Alice F 1414 1880 0.015540
8 Bertha F 1320 1880 0.014507
9 Sarah F 1288 1880 0.014155
Out[484]:

 

  name sex births year prop
0 Mary F 7065 1880 0.077643
1 Anna F 2604 1880 0.028618
2 Emma F 2003 1880 0.022013
3 Elizabeth F 1939 1880 0.021309
4 Minnie F 1746 1880 0.019188
5 Margaret F 1578 1880 0.017342
6 Ida F 1472 1880 0.016177
7 Alice F 1414 1880 0.015540
8 Bertha F 1320 1880 0.014507
9 Sarah F 1288 1880 0.014155

 

以上这篇删除python pandas.DataFrame 的多重index实例就是小编分享给大家的全部内容了,希望能给大家一个参考,也希望大家多多支持服务器之家。

原文链接:https://blog.csdn.net/yeah0/article/details/54340460