Pandas Series: str.get_dummies() function

Series-str.get_dummies() function

The str.get_dummies() function is used to split each string in the Series by sep and return a DataFrame of dummy/indicator variables.

Syntax:

Series.str.get_dummies(self, sep='|')

Parameters:

Returns: DataFrame Dummy variables corresponding to values of the Series.

Example:

Python-Pandas Code:

import numpy as np
import pandas as pd
pd.Series(['p|q', 'p', 'p|r']).str.get_dummies()

Output:

  p	q	r
0	1	1	0
1	1	0	0
2	1	0	1

Python-Pandas Code:

import numpy as np
import pandas as pd
pd.Series(['p|q', np.nan, 'p|r']).str.get_dummies()

Output:

  p	q	r
0	1	1	0
1	0	0	0
2	1	0	1

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