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#  pandas.core.groupby.SeriesGroupBy.is_monotonic_increasing  #

_ property  _ SeriesGroupBy.  is_monotonic_increasing  [ [source]
](https://github.com/pandas-
dev/pandas/blob/v2.2.2/pandas/core/groupby/generic.py#L1209-L1226) #

    

Return whether each groupâ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
    

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