pandas.core.window.Expanding.median

Expanding.median(**kwargs) [source]

Calculate the expanding median.

Parameters:	**kwargs For compatibility with other expanding methods. Has no effect on the computed median.
Returns:	Series or DataFrame Returned type is the same as the original object.

See also

Series.expanding

Calling object with Series data

DataFrame.expanding

Calling object with DataFrames

Series.median

Equivalent method for Series

DataFrame.median

Equivalent method for DataFrame

Examples

Compute the rolling median of a series with a window size of 3.

>>> s = pd.Series([0, 1, 2, 3, 4])
>>> s.rolling(3).median()
0    NaN
1    NaN
2    1.0
3    2.0
4    3.0
dtype: float64