/Python/Python extract values that have different values in a column

Python extract values that have different values in a column

How to get distinct value in a column dataframe in python

df.column.unique()

Source: chrisalbon.com

Python extract values that have different values in a column

df = pd.DataFrame({'author':['a', 'a', 'b'], 'products':['sr1', 'sr2', 'sr2']}) # Create df

group = df.groupby('author') # Group by author used as index
df2 = group.apply(lambda x: x['subreddit'].unique()) # List of all product per author
df2 = df2.apply(pd.Series) # Split products in multiple columns

Source: stackoverflow.com

Similar codes

1 vote193 views1 answer
Django reverse queryset
Python
0 vote154 views1 answer
231a codeforces solution in python
Python
12 votes173 views5 answers
Import matplotlib pyplot as plt
Python
1 vote126 views1 answer
How to distribute a dataset in train and test using scikit
Python
0 vote171 views1 answer
Declaring a 5x5 matrix python\
Python
0 vote195 views1 answer
Rom pathlib import Path # Build paths inside the project like this: BASE_DIR / 'subdir'. BASE_DIR = Path(__file__).resolve().parent.parent
Python
6 votes183 views2 answers
If ,elif, else in python
Python
0 vote165 views2 answers
Render template in django
Python
1 vote158 views1 answer
Tuple comprehension python
Python
2 votes168 views1 answer
Sacar la posicion en una lista python
Python