mars.dataframe.Series.str.get

Series.str.get(i)

Extract element from each component at specified position.

Extract element from lists, tuples, or strings in each element in the Series/Index.

Parameters

i (int) – Position of element to extract.

Return type

Series or Index

Examples

>>> import mars.dataframe as md
>>> s = md.Series(["String",
...               (1, 2, 3),
...               ["a", "b", "c"],
...               123,
...               -456,
...               {1: "Hello", "2": "World"}])
>>> s.execute()
0                        String
1                     (1, 2, 3)
2                     [a, b, c]
3                           123
4                          -456
5    {1: 'Hello', '2': 'World'}
dtype: object

>>> s.str.get(1).execute()
0        t
1        2
2        b
3      NaN
4      NaN
5    Hello
dtype: object

>>> s.str.get(-1).execute()
0      g
1      3
2      c
3    NaN
4    NaN
5    None
dtype: object