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dataframe delete duplicate rows with same column value

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answered on January 4, 2020 Popularity 10/10 Helpfulness 6/10

answer dataframe delete duplicate rows with same column value

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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)

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Source: Grepper

Tags: dataframe python rows

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Contributed on Dec 17 2021

0 Answers Avg Quality 2/10

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python: remove duplicate in a specific column

Comment

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

Popularity 10/10 Helpfulness 10/10 Language python

Source: stackoverflow.com

Tags: python py

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Contributed on Jul 22 2020

Andrea Perlato

0 Answers Avg Quality 2/10

remove duplicate row in df

Comment

# 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 py

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Contributed on Aug 19 2020

Sachin

0 Answers Avg Quality 2/10

remove duplicates based on two columns in dataframe

Comment

df.drop_duplicates(['A','B'],keep= 'last')

Popularity 10/10 Helpfulness 7/10 Language python

Source: Grepper

Tags: dataframe data

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Contributed on Aug 13 2020

Sachin

0 Answers Avg Quality 2/10

remove duplicate values in data frame r

Comment

df <- df %>% distinct()

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Source: Grepper

Tags: frame fram

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Contributed on Feb 27 2021

adriendums

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

remove duplicate columns python dataframe

Comment

df = df.loc[:,~df.columns.duplicated()]

Popularity 10/10 Helpfulness 5/10 Language python

Source: stackoverflow.com

Tags: dataframe data

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Contributed on May 28 2020

Happy Hawk

0 Answers Avg Quality 2/10

python pandas remove duplicates and make that change to same dataframe

Comment

# If same dataset needs to be updated:

df.drop_duplicates(keep=False, inplace=True)

Popularity 9/10 Helpfulness 4/10 Language python

Source: stackoverflow.com

Tags: dataframe data

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Contributed on Sep 03 2022

Sutariya Vikas

0 Answers Avg Quality 2/10

drop row with duplicate value

Comment

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 9/10 Helpfulness 4/10 Language python

Source: Grepper

Tags: drop

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Contributed on Jan 04 2020

Happy Hawk

0 Answers Avg Quality 2/10

dataframe delete duplicate rows with same column value

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dataframe delete duplicate rows with same column value

Closely Related Answers

python: remove duplicate in a specific column

remove duplicate row in df

remove duplicates based on two columns in dataframe

remove duplicate values in data frame r

dataframe delete duplicate rows with same column value

pandas drop duplicates from column

remove duplicate columns python dataframe

python pandas remove duplicates and make that change to same dataframe

drop row with duplicate value

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