pandas.Series.dropna — pandas 0.25.3 documentation (original) (raw)

Series. dropna(self, axis=0, inplace=False, **kwargs)[source]

Return a new Series with missing values removed.

See the User Guide for more on which values are considered missing, and how to work with missing data.

Parameters: axis : {0 or ‘index’}, default 0 There is only one axis to drop values from. inplace : bool, default False If True, do operation inplace and return None. **kwargs Not in use.
Returns: Series Series with NA entries dropped from it.

Examples

ser = pd.Series([1., 2., np.nan]) ser 0 1.0 1 2.0 2 NaN dtype: float64

Drop NA values from a Series.

ser.dropna() 0 1.0 1 2.0 dtype: float64

Keep the Series with valid entries in the same variable.

ser.dropna(inplace=True) ser 0 1.0 1 2.0 dtype: float64

Empty strings are not considered NA values. None is considered an NA value.

ser = pd.Series([np.NaN, 2, pd.NaT, '', None, 'I stay']) ser 0 NaN 1 2 2 NaT 3 4 None 5 I stay dtype: object ser.dropna() 1 2 3 5 I stay dtype: object