pandas.Index.is_monotonic_increasing#

property Index.is_monotonic_increasing[source]#

Return a boolean if the values are equal or increasing.

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

Returns:

bool

See also

Index.is_monotonic_decreasing: Check if the values are equal or decreasing.

Examples

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