rename column pandas by index code example
Example 1: rename columns pandas
df.rename(columns={'oldName1': 'newName1',
'oldName2': 'newName2'},
inplace=True, errors='raise')
Example 2: pandas rename index values
df.rename(index={'alpha': 'mu'})
Example 3: rename dataframe index column pandas
df.index.names = ['new_name']
Example 4: pandas rename column by index?
import pandas as pd
df = pd.DataFrame({'a': [1, 2], 'b': [3, 4]})
df.columns.values[0] = "b"
df.columns.values[1] = "a"
display(df)
Example 5: rename column pandas
>>> df.rename(str.lower, axis='columns')
a b
0 1 4
1 2 5
2 3 6