# pandas.core.window.expanding.Expanding.median¶

Expanding.median(self, **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.

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