pandas.Series.count

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