DataFrame.combine_first(other)
[source]
Combine two DataFrame objects and default to non-null values in frame calling the method. Result index columns will be the union of the respective indexes and columns
Parameters: | other : DataFrame |
---|---|
Returns: | combined : DataFrame |
See also
DataFrame.combine
df1’s values prioritized, use values from df2 to fill holes:
>>> df1 = pd.DataFrame([[1, np.nan]]) >>> df2 = pd.DataFrame([[3, 4]]) >>> df1.combine_first(df2) 0 1 0 1 4.0
© 2008–2012, AQR Capital Management, LLC, Lambda Foundry, Inc. and PyData Development Team
Licensed under the 3-clause BSD License.
http://pandas.pydata.org/pandas-docs/version/0.22.0/generated/pandas.DataFrame.combine_first.html