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how to rename values in a column python

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Quaint Quetzal answered on March 10, 2021 Popularity 8/10 Helpfulness 6/10

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how to rename values in a column python

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In [11]: df['n'].replace({'a': 'x', 'b': 'y', 'c': 'w', 'd': 'z'})
Out[11]: 
0    z
1    x
2    y
3    w
4    w
5    x
6    z
7    y
Name: n, dtype: object

In [12]: df['n'] = df['n'].replace({'a': 'x', 'b': 'y', 'c': 'w', 'd': 'z'})

Popularity 8/10 Helpfulness 6/10 Language python

Source: stackoverflow.com

Tags: python

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Contributed on Aug 17 2022

Quaint Quetzal

0 Answers Avg Quality 2/10

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rename column in dataframe

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df.rename({"current": "updated"}, axis=1, inplace=True)
print(df.dtypes)

Popularity 10/10 Helpfulness 8/10 Language python

Source: app.dataquest.io

Tags: dataframe data

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Contributed on Jul 25 2021

rudythealchemist

0 Answers Avg Quality 2/10

rename one dataframe column python

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#suppy as dict the column name to replace
df1 = df.rename(columns={'Name': 'EmpName'})
print(df1)

Popularity 10/10 Helpfulness 7/10 Language python

Source: www.journaldev.com

Tags: dataframe data

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Contributed on May 30 2021

Talented Tarantula

0 Answers Avg Quality 2/10

how to rename columns in python

Comment

#how to rename columns with:

data = data.rename(columns={'Old_column' : 'New_column'})

Popularity 9/10 Helpfulness 7/10 Language python

Source: Grepper

Tags: python py

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Contributed on Jul 05 2022

DON-PECH

0 Answers Avg Quality 2/10

dataframe rename column

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

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

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

# Result
>>> df
   a  c
0  1  4
1  2  5
2  3  6

Popularity 10/10 Helpfulness 6/10 Language python

Source: pandas.pydata.org

Tags: dataframe data

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Contributed on Mar 10 2021

Benja

0 Answers Avg Quality 2/10

rename columns in dataframe

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df.rename(columns = {'old_col1':'new_col1', 'old_col2':'new_col2'}, inplace = True)

Popularity 10/10 Helpfulness 6/10 Language python

Source: www.statology.org

Tags: dataframe data

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Contributed on Nov 03 2021

Clear Chicken

0 Answers Avg Quality 2/10

pandas rename column values

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df['col_name'] = df['col_name'].str.replace('G', '1')

Popularity 6/10 Helpfulness 5/10 Language python

Source: stackoverflow.com

Tags: pandas python rename

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Contributed on Oct 12 2022

Chris P.

0 Answers Avg Quality 2/10

python change rename value in column

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df['column name'] = df['column name'].replace(['1st old value','2nd old  value',...],['1st new value','2nd new value',...])

Popularity 6/10 Helpfulness 4/10 Language python

Source: datatofish.com

Tags: python

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Contributed on Oct 19 2022

Nisrina Hasna Ritonga

0 Answers Avg Quality 2/10

rename one dataframe column python in inplace

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import pandas as pd

d1 = {'Name': ['Pankaj', 'Lisa', 'David'], 'ID': [1, 2, 3], 'Role': ['CEO', 'Editor', 'Author']}

df = pd.DataFrame(d1)

print('Source DataFrame:\n', df)

df.rename(index={0: '#0', 1: '#1', 2: '#2'}, columns={'Name': 'EmpName', 'ID': 'EmpID', 'Role': 'EmpRole'}, inplace=True)

print('Source DataFrame:\n', df)

Popularity 10/10 Helpfulness 3/10 Language python

Source: www.journaldev.com

Tags: dataframe data

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Contributed on May 30 2021

Talented Tarantula

0 Answers Avg Quality 2/10

rename column in dataframe

Comment

DataFrame.rename() method

Popularity 10/10 Helpfulness 1/10 Language python

Source: app.dataquest.io

Tags: dataframe data

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Contributed on Jul 25 2021

rudythealchemist

0 Answers Avg Quality 2/10

how to rename values in a column python

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rename column in dataframe

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