pandas.core.window.Expanding.min — pandas 0.24.0rc1 documentation (original) (raw)
Expanding. min(*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