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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
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