pandas.Series.is_monotonic_increasing#

property Series.is_monotonic_increasing[source]#

Return True if values in the object are monotonically increasing.

This property checks whether each element is greater than or equal to the previous element. Equal consecutive values are considered monotonically increasing.

Returns:
bool

See also

Series.is_monotonic_decreasing

Return boolean if values in the object are monotonically decreasing.

Examples

>>> s = pd.Series([1, 2, 2])
>>> s.is_monotonic_increasing
True
>>> s = pd.Series([3, 2, 1])
>>> s.is_monotonic_increasing
False