pandas.api.extensions.ExtensionArray._is_monotonic_decreasing#

property ExtensionArray._is_monotonic_decreasing[source]#

Return True if the array values are monotonically decreasing.

Subclasses can override this for performance. The default implementation falls back to computing ranks via _rank.

Returns:
bool

Whether the array values are monotonically decreasing.

See also

ExtensionArray._is_monotonic_increasing

Check for monotonically increasing values.

Examples

>>> arr = pd.array([3, 2, 1])
>>> arr._is_monotonic_decreasing
True