change name of column pandas

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Poised Peccary answered on May 11, 2020 Popularity 10/10 Helpfulness 7/10

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change name of column pandas

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#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"})

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Contributed on Aug 11 2020

Poised Peccary

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python: change column name

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df = df.rename(columns = {'myvar':'myvar_new'})

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Contributed on Jul 16 2020

Andrea Perlato

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rename column name pandas dataframe

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df.rename(columns={"old_col1": "new_col1", "old_col2": "new_col2"})

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Contributed on May 11 2020

Gifted Gerbil

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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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change column name pandas

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

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Contributed on Jun 01 2022

Chunxiao Wang

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pandas rename column name

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import pandas as pd

# Create a sample dataframe
data = {'A': [1, 2, 3], 'B': [4, 5, 6], 'C': [7, 8, 9]}
df = pd.DataFrame(data)

# Rename column 'A' to 'New Column'
df.rename(columns={'A': 'New Column'}, inplace=True)

# Print the modified dataframe
print(df)

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Contributed on Sep 12 2023

YOU.com

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rename df column name

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import pandas as pd

# Assuming the dataframe is already created and stored in a variable called 'df'

# Print the current column names
print(df.columns)

# Rename a specific column
df.rename(columns={'current_column_name': 'new_column_name'}, inplace=True)

# Print the updated column names
print(df.columns)

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Contributed on Sep 12 2023

YOU.com

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rename column name pandas

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import pandas as pd
  
# Example DataFrame
df = pd.DataFrame({'A': [1, 2, 3], 'B': [4, 5, 6]})

# Rename column 'A' to 'NewColumn'
df = df.rename(columns={'A': 'NewColumn'})

# Print the updated DataFrame
print(df)

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Contributed on Sep 12 2023

YOU.com

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how to change column name in dataframe

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import pandas as pd

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

# Displaying the DataFrame before changing column names
print(df)

# Renaming a single column
df = df.rename(columns={'A': 'NewA'})

# Renaming multiple columns
df = df.rename(columns={'A': 'NewA', 'B': 'NewB'})

# Displaying the DataFrame after changing column names
print(df)

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Contributed on Sep 12 2023

YOU.com

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how to change column name in pandas

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print(df.rename(columns={'A': 'a', 'C': 'c'}))
#         a   B   c
# ONE    11  12  13
# TWO    21  22  23
# THREE  31  32  33

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Source: note.nkmk.me

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Contributed on Oct 28 2020

Glorious Goose

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change name of column pandas

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