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Method argmaxMethod argminMethod betweenMethod mapMethod to_frameMethod to_listMethod value_countsProperty hasnansProperty is_monotonicProperty is_monotonic_decreasingProperty is_monotonic_increasingProperty is_unique
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Pandas Series | is_monotonic_decreasing property

schedule Aug 11, 2023
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Pandas Series.is_monotonic_decreasing property returns True if the values in the Series are monotonically decreasing, and False otherwise.

Examples

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

When there is a NaN, then is_monotonic_decreasing always returns False:

s = pd.Series([2,np.nan,3])
s.is_monotonic_decreasing
False
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Published by Isshin Inada
Edited by 0 others
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Official Pandas Documentation
https://pandas.pydata.org/pandas-docs/stable/reference/api/pandas.Series.is_monotonic_decreasing.html
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