pandas.Series.count — pandas 0.25.3 documentation (original) (raw)
Series. count(self, level=None)[source]¶
Return number of non-NA/null observations in the Series.
| Parameters: | level : int or level name, default None If the axis is a MultiIndex (hierarchical), count along a particular level, collapsing into a smaller Series. |
|---|---|
| Returns: | int or Series (if level specified) Number of non-null values in the Series. |
Examples
s = pd.Series([0.0, 1.0, np.nan]) s.count() 2