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pandas description of dataframe renaming column values

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rudythealchemist answered on February 29, 2020 Popularity 8/10 Helpfulness 6/10

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pandas description of dataframe renaming column values

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	dict = {
    'Android': 'Android',
    'Chrome OS': 'Chrome OS',
    'Linux': 'Linux',
    'Mac OS': 'macOS',
    'No OS': 'No OS',
    'Windows': 'Windows',
    'macOS': 'macOS'
}

df['col'] = df['col'].map(dict)

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Source: app.dataquest.io

Tags: dataframe pandas python renaming

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Contributed on Jul 27 2021

rudythealchemist

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rename column in dataframe

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

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Source: app.dataquest.io

Tags: dataframe data

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Contributed on Jul 25 2021

rudythealchemist

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pandas dataframe column rename

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>>> 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

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Source: pandas.pydata.org

Tags: dataframe data

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Contributed on Feb 29 2020

Lonely Leopard

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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)

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Source: www.journaldev.com

Tags: dataframe data

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Contributed on May 30 2021

Talented Tarantula

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pandas dataframe rename column

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df = df.rename(columns={'oldName1': 'newName1', 'oldName2': 'newName2'})
# Or rename the existing DataFrame (rather than creating a copy) 
df.rename(columns={'oldName1': 'newName1', 'oldName2': 'newName2'}, inplace=True)

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Source: stackoverflow.com

Tags: dataframe data

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Contributed on Sep 28 2020

Fantastic Fish

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Renaming Column Name Dataframe

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df = df.rename(columns={'oldName1': 'newName1', 'oldName2': 'newName2'})

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Source: www.codegrepper.com

Tags: dataframe data

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Contributed on Nov 13 2021

Clean Curlew

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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

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Source: pandas.pydata.org

Tags: dataframe data

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Contributed on Mar 10 2021

Benja

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rename columns in dataframe

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

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Source: www.statology.org

Tags: dataframe data

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Contributed on Nov 03 2021

Clear Chicken

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rename dataframe column

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import pandas as pd

# Creating a sample dataframe
df = pd.DataFrame({'A': [1, 2, 3], 'B': [4, 5, 6]})

# Renaming the 'A' column to 'X'
df.rename(columns={'A': 'X'}, inplace=True)

# Printing the updated dataframe
print(df)

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Contributed on Sep 12 2023

YOU.com

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renaming column in dataframe pandas

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df.rename({'a': 'X', 'b': 'Y'}, axis=1, inplace=True)
df

   X  Y  c  d  e
0  x  x  x  x  x
1  x  x  x  x  x
2  x  x  x  x  x

Popularity 10/10 Helpfulness 5/10 Language python

Source: stackoverflow.com

Tags: dataframe data

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Contributed on Mar 29 2021

Leif Georg

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pandas description of dataframe renaming column values

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