Series.
sum
Return the sum of the values.
Axis for the function to be applied on.
Include only float, int, boolean columns. False is not supported. This parameter is mainly for pandas compatibility.
Examples
>>> df = ks.DataFrame({'a': [1, 2, 3, np.nan], 'b': [0.1, 0.2, 0.3, np.nan]}, ... columns=['a', 'b'])
On a DataFrame:
>>> df.sum() a 6.0 b 0.6 dtype: float64
>>> df.sum(axis=1) 0 1.1 1 2.2 2 3.3 3 0.0 dtype: float64
On a Series:
>>> df['a'].sum() 6.0