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/pandas 0.23

pandas.Index.is_monotonic_decreasing

Index.is_monotonic_decreasing

return if the index is monotonic decreasing (only equal or decreasing) values.

Examples

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

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Licensed under the 3-clause BSD License.
http://pandas.pydata.org/pandas-docs/version/0.23.4/generated/pandas.Index.is_monotonic_decreasing.html