[英]Rename Multi - Index Column name Python
I have a MultiIndex Dataframe df like Below 我有一个像下面的MultiIndex Dataframe df
Office
Office
x True 2
y False 3
z True 5
If i reset df.reset_index() it will Error as 如果我重置df.reset_index()它将错误为
"cannot insert Office, already exists"
How its posible to rename the the higher(which comes in very first line) index name "Office" to "Office1" 如何将较高(第一行出现)的索引名“ Office”重命名为“ Office1”
You can use rename_axis
or set index.names
for rename index names in MultiIndex
and rename
for change column name: 您可以使用
rename_axis
或设置index.names
来在MultiIndex
重命名索引名,并为更改列名rename
:
#if only rename get Unnamed column
df1 = df.rename(columns={'Office':'another col'}).reset_index()
print (df1)
Office Unnamed: 1 another col
0 x True 2
1 y False 3
2 z True 5
df2 = df.rename_axis(('Office', 'bool')).rename(columns={'Office':'Office2'}).reset_index()
print (df2)
Office bool Office2
0 x True 2
1 y False 3
2 z True 5
df.index.names = ('Office1','bool')
df3 = df.rename(columns={'Office':'Office2'}).reset_index()
print (df3)
Office1 bool Office2
0 x True 2
1 y False 3
2 z True 5
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