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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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