Pandas Series: combine_first() function
Combine Series values in Pandas
The combine_first() function is used to combine Series values, choosing the calling Series’s values first.
Syntax:
Series.combine_first(self, other)
Parameters:
Name | Description | Type/Default Value | Required / Optional |
---|---|---|---|
other | The value(s) to be combined with the Series. | Series | Required |
Returns: Series
The result of combining the Series with the other object
Example:
Python-Pandas Code:
import numpy as np
import pandas as pd
s1 = pd.Series([2, np.nan])
s2 = pd.Series([4, 5])
s1.combine_first(s2)
Output:
0 2.0 1 5.0 dtype: float64
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