Expanding.count(self, **kwargs)
[source]
The expanding count of any non-NaN observations inside the window.
Returns: |
|
---|
See also
Series.expanding
DataFrame.expanding
DataFrame.count
>>> s = pd.Series([2, 3, np.nan, 10]) >>> s.rolling(2).count() 0 1.0 1 2.0 2 1.0 3 1.0 dtype: float64 >>> s.rolling(3).count() 0 1.0 1 2.0 2 2.0 3 2.0 dtype: float64 >>> s.rolling(4).count() 0 1.0 1 2.0 2 2.0 3 3.0 dtype: float64
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https://pandas.pydata.org/pandas-docs/version/0.25.0/reference/api/pandas.core.window.Expanding.count.html