Answers for "rename pandas column name"

65

rename columns pandas

df.rename(columns={'oldName1': 'newName1',
                   'oldName2': 'newName2'},
          inplace=True, errors='raise')
# Make sure you set inplace to True if you want the change
# to be applied to the dataframe
Posted by: Guest on March-13-2020
15

pandas rename column

df.rename(columns={"old_col1": "new_col1", "old_col2": "new_col2"}, inplace=True)
Posted by: Guest on June-09-2020
3

python: change column name

df = df.rename(columns = {'myvar':'myvar_new'})
Posted by: Guest on July-16-2020
10

pandas dataframe column rename

>>> df = pd.DataFrame({"A": [1, 2, 3], "B": [4, 5, 6]})
>>> df.rename(columns={"A": "a", "B": "c"})
   a  c
0  1  4
1  2  5
2  3  6
Posted by: Guest on February-29-2020
1

change name of column pandas

#df.rename() will only return a new df with the new headers
#df = df.rename() will change the heders of the current dataframe 
df = df.rename(columns={"old_col1": "new_col1", "old_col2": "new_col2"})
Posted by: Guest on August-11-2020
0

dataframe rename column

df = pd.DataFrame({"A": [1, 2, 3], "B": [4, 5, 6]})

# Option 1
df.rename({"A": "a", "B": "c"}, axis=1)

# Option 2
df.rename(columns={"A": "a", "B": "c"})

# Result
   a  c
0  1  4
1  2  5
2  3  6
Posted by: Guest on March-10-2021

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