pandas.core.window.expanding.Expanding.count

Expanding.count()

Calculate the expanding count of non NaN observations.

Returns

Series or DataFrame

Return type is the same as the original object.

See also

pandas.Series.expanding

Calling expanding with Series data.

pandas.DataFrame.expanding

Calling expanding with DataFrames.

pandas.Series.count

Aggregating count for Series.

pandas.DataFrame.count

Aggregating count for DataFrame.

pandas.core.window.rolling.Window.std pandas.core.window.expanding.Expanding.sum