pandas.Series.count

Series.count(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.

See also

DataFrame.count

Count non-NA cells for each column or row.

Examples

>>> s = pd.Series([0.0, 1.0, np.nan])
>>> s.count()
2