/Python/Add column to df from another df

Add column to df from another df

How to add a column to a pandas df

#using the insert function:
df.insert(location, column_name, list_of_values) 
#example
df.insert(0, 'new_column', ['a','b','c'])
#explanation:
#put "new_column" as first column of the dataframe
#and puts 'a','b' and 'c' as values

#using array-like access:
df['new_column_name'] = value

#df stands for dataframe

Add column to df from another df

# pre 0.24
feature_file_df['RESULT'] = RESULT_df['RESULT'].values
# >= 0.24
feature_file_df['RESULT'] = RESULT_df['RESULT'].to_numpy()

Source: stackoverflow.com

Similar codes

1 vote146 views3 answers
Flatmap python
Python
1 vote204 views1 answer
Django gmail smtp
Python Django
0 vote142 views1 answer
Create instances of a class in a for loop
Python
0 vote143 views1 answer
Fetch image url discord py
Python
0 vote176 views1 answer
Python find if strings have common substring
Python
0 vote147 views1 answer
56.5 to 57 in python
Python
1 vote146 views1 answer
Django loop index
Python
0 vote188 views1 answer
Two input number sum in python
Python
3 votes150 views1 answer
Py change background
Python
0 vote177 views1 answer
How to add to a variable in a for loop
Python