删除python pandas.DataFrame 的多重index实例
如下dataframe想要删除多层index
top1000[:10]
name
sex
births
year
prop
year
sex
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
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
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