Pandas agg rename columns

How can i aggregate without group by in pandas

df.groupby(lambda _ : True).agg(new_col_name = ('col_name', 'agg_function'))

Pandas agg rename columns

grouped = df.groupby('id').agg({'col1': [('name1', 'sum')], 'col2': [('name2_mean', 'sum'), ('name2_custom_std', lambda x: np.std(x))]})
grouped.columns = grouped.columns.droplevel()

Similar codes

4 votes342 views2 answers
How to reinstall a python package
Python
0 vote363 views1 answer
How to resize image with pillow in django
Python
0 vote381 views2 answers
Pandas remove repeated index
Python
2 votes352 views1 answer
Timestamp change python
Python
0 vote344 views1 answer
How to run loops 3 times in python
Python
0 vote389 views1 answer
Pandas drop 1970
Python
1 vote385 views3 answers
Jsonresponse django
Python Django
9 votes371 views1 answer
Except as Exception:
Python
0 vote369 views1 answer
How delete element from list python
Python
7 votes333 views2 answers
How to add a image in tkinter
Python