pandas.Series.is_monotonic_decreasing

property Series.is_monotonic_decreasing

Return True if values in the object are monotonically decreasing.

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

Returns:

bool

See also

Series.is_monotonic_increasing

Return boolean if values in the object are monotonically increasing.

Examples

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

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