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Pandas DataFrame: combine_first() function

DataFrame - combine_first() function

The combine_first() function is used to update null elements with value in the same location in other.

Combine two DataFrame objects by filling null values in one DataFrame with non-null values from other DataFrame. The row and column indexes of the resulting DataFrame will be the union of the two.

Syntax:

DataFrame.combine_first(self, other)

Parameters:

Name Description Type/Default Value Required / Optional
other    

Provided DataFrame to use to fill null values.


DataFrame Required

Returns: DataFrame

Example:


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