pandas.core.groupby.SeriesGroupBy.is_monotonic_increasing#
- property SeriesGroupBy.is_monotonic_increasing[source]#
Return whether each group’s values are monotonically increasing.
- Returns:
- Series
Examples
>>> s = pd.Series([2, 1, 3, 4], index=['Falcon', 'Falcon', 'Parrot', 'Parrot']) >>> s.groupby(level=0).is_monotonic_increasing Falcon False Parrot True dtype: bool