/Python/Dataframe delete duplicate rows with same column value

Dataframe delete duplicate rows with same column value

Python: remove duplicate in a specific column

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

Source: stackoverflow.com

Drop duplicates pandas first column

import pandas as pd 
  
# making data frame from csv file 
data = pd.read_csv("employees.csv") 
  
# sorting by first name 
data.sort_values("First Name", inplace = True) 
  
# dropping ALL duplicte values 
data.drop_duplicates(subset ="First Name",keep = False, inplace = True) 
  
# displaying data 
print(data)

Remove duplicates based on two columns in dataframe

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

Remove duplicate columns python dataframe

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

Source: stackoverflow.com

Dataframe delete duplicate rows with same column value

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)

Dataframe delete duplicate rows with same column value

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)

Similar codes

0 vote280 views1 answer
Python numpy read from stdin
Python
68 votes270 views6 answers
Create folders in python
Python
0 vote306 views1 answer
Create an array of n same value python
Python
0 vote318 views1 answer
Area of a right angle triangle in python
Python
0 vote280 views1 answer
Spread dictionary python
Python
-7 votes266 views4 answers
Bitcoin with python
Python
0 vote258 views1 answer
Python max function recursive
Python
8 votes252 views3 answers
Scikit learn roc curve
Python
0 vote261 views1 answer
Staircase solution hackerank
Python
2 votes285 views1 answer
Python pandas replace nan with null
Python