Closed
Description
In [5]: s = pd.Series([False, False, True, True, False, True],
index=[0, 0, 1, 1, 2, 2], dtype="boolean")
In [6]: s.all(level=0)
Out[6]:
0 False
1 True
2 False
dtype: bool
The dtype of the result could also be boolean instead of bool.