/Python/Find sum of values in a column that corresponds to unique vallues in another coulmn python

Find sum of values in a column that corresponds to unique vallues in another coulmn python

group = df.groupby('author')

df2 = group.apply(lambda x: x['subreddit'].unique())

# Alternatively, same thing as a one liner:
# df2 = df.groupby('author').apply(lambda x: x['subreddit'].unique())

Source: stackoverflow.com

Similar codes

4 votes78 views1 answer
Flask image
Python Flask
0 vote115 views1 answer
Exponential regression python
Python
1 vote102 views1 answer
Remove columns that contain certain names in pandas
Python
0 vote102 views1 answer
Jupyter nbconvert
Python
1 vote100 views1 answer
ImportError: No module named 'transforms3d'
Python
0 vote100 views1 answer
Train_test_split from sklearn.selection
Python
0 vote100 views1 answer
Python list of possible paths
Python
0 vote93 views1 answer
Mike tyson peso pesado
Python
0 vote124 views1 answer
Pyqt5 python how to add a widgtet to a table
Python
0 vote114 views1 answer
Sort first element reverse sort second python
Python