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remove duplicate row in df

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Sachin answered on August 19, 2020 Popularity 10/10 Helpfulness 7/10

answer remove duplicate row in df

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remove duplicate row in df

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# Below are quick example
# keep first duplicate row
df2 = df.drop_duplicates()

# Using DataFrame.drop_duplicates() to keep first duplicate row
df2 = df.drop_duplicates(keep='first')

# keep last duplicate row
df2 = df.drop_duplicates( keep='last')

# Remove all duplicate rows 
df2 = df.drop_duplicates(keep=False)

# Delete duplicate rows based on specific columns 
df2 = df.drop_duplicates(subset=["Courses", "Fee"], keep=False)

# Drop duplicate rows in place
df.drop_duplicates(inplace=True)

# Using DataFrame.apply() and lambda function 
df2 = df.apply(lambda x: x.astype(str).str.lower()).drop_duplicates(subset=['Courses', 'Fee'], keep='first')

Popularity 10/10 Helpfulness 7/10 Language python

Source: Grepper

Tags: python row

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Contributed on Aug 19 2020

Sachin

0 Answers Avg Quality 2/10

Closely Related Answers

Remove duplicates with pandas

Comments(1)

import pandas as pd

# Drop all duplicates in the DataFrame
df = df.drop_duplicates()

# Drop all duplicates in a specific column of the DataFrame
df = df.drop_duplicates(subset = "column")

# Drop all duplicate pairs in DataFrame
df = df.drop_duplicates(subset = ["column", "column2"])

# Display DataFrame
print(df)

Popularity 10/10 Helpfulness 10/10 Language python

Source: www.datacamp.com

Tags: pandas pa

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Contributed on Apr 29 2022

Elisabeth Engering

0 Answers Avg Quality 2/10

delete the entire row while remove duplicates with python'

Comment

result_df = df.drop_duplicates(subset=['Column1', 'Column2'], keep='first')
print(result_df)

Popularity 10/10 Helpfulness 6/10 Language python

Source: stackoverflow.com

Tags: python py

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Contributed on Mar 04 2022

Doubtful Dugong

0 Answers Avg Quality 2/10

dataframe delete duplicate rows with same column value

Comment

df = df.drop_duplicates(subset=['Column1', 'Column2'], keep='first')

# Exemple
import pandas as pd
df = pd.DataFrame({"A":["foo", "foo", "foo", "bar"], "B":[0,1,1,1], "C":["A","A","B","A"]})
df.drop_duplicates(subset=['A', 'C'], keep=False)

Popularity 10/10 Helpfulness 6/10 Language python

Source: Grepper

Tags: dataframe data

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Contributed on Dec 17 2021

0 Answers Avg Quality 2/10

dataframe delete duplicate rows with same column value

Comment

df = df.drop_duplicates(subset=['Column1', 'Column2'], keep='first')

# Exemple
import pandas as pd
df = pd.DataFrame({"A":["foo", "foo", "foo", "bar"], "B":[0,1,1,1], "C":["A","A","B","A"]})
df.drop_duplicates(subset=['A', 'C'], keep=False)

Popularity 10/10 Helpfulness 5/10 Language python

Source: Grepper

Tags: dataframe data

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Contributed on Dec 17 2021

0 Answers Avg Quality 2/10

pandas drop duplicates from column

Comment

data = data.drop_duplicates(subset=['City'], keep='first')

Popularity 10/10 Helpfulness 5/10 Language python

Source: duckduckgo.com

Tags: pandas pa

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Contributed on May 15 2022

Clean Chimpanzee

0 Answers Avg Quality 2/10

pandas drop duplicates

Comment

borrar duplicados pandas

# Below are quick example
# keep first duplicate row
df2 = df.drop_duplicates()

# Using DataFrame.drop_duplicates() to keep first duplicate row
df2 = df.drop_duplicates(keep='first')

# keep last duplicate row
df2 = df.drop_duplicates( keep='last')

# Remove all duplicate rows 
df2 = df.drop_duplicates(keep=False)

# Delete duplicate rows based on specific columns 
df2 = df.drop_duplicates(subset=["Courses", "Fee"], keep=False)

# Drop duplicate rows in place
df.drop_duplicates(inplace=True)

# Using DataFrame.apply() and lambda function 
df2 = df.apply(lambda x: x.astype(str).str.lower()).drop_duplicates(subset=['Courses', 'Fee'], keep='first')

Popularity 9/10 Helpfulness 4/10 Language c

Source: sparkbyexamples.com

Tags: c pandas pand

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Contributed on Feb 16 2023

malloc

0 Answers Avg Quality 2/10

pd drop duplicate columns

Comment

# For dropping duplicate columns:
df = df.loc[:,~df.columns.duplicated()]

Popularity 9/10 Helpfulness 3/10 Language python

Source: Grepper

Tags: drop

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Contributed on Nov 29 2022

Benja

0 Answers Avg Quality 2/10

how to drop duplicate columns in pandas that dont have the same name?

Comment

# Drop duplicate columns
df2 = df.T.drop_duplicates().T
print(df2)

Popularity 10/10 Helpfulness 3/10 Language python

Source: sparkbyexamples.com

Tags: drop

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Contributed on Jul 15 2022

Jose Santiago Bordas

0 Answers Avg Quality 2/10

dropping duplicates in a dataframe pandas

Comment

dataFrame.drop_duplicates(subset=None, keep='first', inplace=False)

Popularity 8/10 Helpfulness 3/10 Language python

Source: stackabuse.com

Tags: dataframe pandas

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Contributed on Mar 07 2024

Mahmoud Shams El Din

0 Answers Avg Quality 2/10

remove duplicate row in df

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remove duplicate row in df

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dropping duplicates in a dataframe pandas

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