mars.dataframe.Series.isin

Series.isin(values)

Whether elements in Series are contained in values.

Return a boolean Series showing whether each element in the Series matches an element in the passed sequence of values exactly.

Parameters

values (set or list-like) – The sequence of values to test. Passing in a single string will raise a TypeError. Instead, turn a single string into a list of one element.

Returns

Series of booleans indicating if each element is in values.

Return type

Series

Raises

TypeError –

• If values is a string

See also

DataFrame.isin

Equivalent method on DataFrame.

Examples

>>> import mars.dataframe as md
>>> s = md.Series(['lame', 'cow', 'lame', 'beetle', 'lame',
...                'hippo'], name='animal')
>>> s.isin(['cow', 'lame']).execute()
0     True
1     True
2     True
3    False
4     True
5    False
Name: animal, dtype: bool

Passing a single string as s.isin('lame') will raise an error. Use a list of one element instead:

>>> s.isin(['lame']).execute()
0     True
1    False
2     True
3    False
4     True
5    False
Name: animal, dtype: bool