pandas.Index.is_monotonic_decreasing

property Index.is_monotonic_decreasing

Return a boolean if the values are equal or decreasing.

A monotonically decreasing index has values that are equal to or less than the preceding value. This is useful for checking if an index is sorted in non-increasing order.

Returns:

bool

See also

Index.is_monotonic_increasing

Check if the values are equal or increasing.

Examples

>>> pd.Index([3, 2, 1]).is_monotonic_decreasing
True
>>> pd.Index([3, 2, 2]).is_monotonic_decreasing
True
>>> pd.Index([3, 1, 2]).is_monotonic_decreasing
False