pandas.core.window.Expanding.min¶
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Expanding.min(self, *args, **kwargs)[source]¶ Calculate the expanding minimum.
Parameters: - **kwargs
Under Review.
Returns: - Series or DataFrame
Returned object type is determined by the caller of the expanding calculation.
See also
Series.expanding- Calling object with a Series.
DataFrame.expanding- Calling object with a DataFrame.
Series.min- Similar method for Series.
DataFrame.min- Similar method for DataFrame.
Examples
Performing a rolling minimum with a window size of 3.
>>> s = pd.Series([4, 3, 5, 2, 6]) >>> s.rolling(3).min() 0 NaN 1 NaN 2 3.0 3 2.0 4 2.0 dtype: float64