how to concat on the basis of particular columns in pandas

Lovely Lemur answered on December 1, 2020 Popularity 10/10 Helpfulness 3/10

answer how to concat on the basis of particular columns in pandas

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how to concat on the basis of particular columns in pandas

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In [6]: result = pd.concat(frames, keys=['x', 'y', 'z'])

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Source: pandas.pydata.org

Tags: basis concat pandas python

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Contributed on Dec 01 2020

Lovely Lemur

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concat columns pandas dataframe

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In [1]: df1 = pd.DataFrame(
   ...:     {
   ...:         "A": ["A0", "A1", "A2", "A3"],
   ...:         "B": ["B0", "B1", "B2", "B3"],
   ...:         "C": ["C0", "C1", "C2", "C3"],
   ...:         "D": ["D0", "D1", "D2", "D3"],
   ...:     },
   ...:     index=[0, 1, 2, 3],
   ...: )
   
In [8]: df4 = pd.DataFrame(
   ...:     {
   ...:         "B": ["B2", "B3", "B6", "B7"],
   ...:         "D": ["D2", "D3", "D6", "D7"],
   ...:         "F": ["F2", "F3", "F6", "F7"],
   ...:     },
   ...:     index=[2, 3, 6, 7],
   ...: )
   ...: 

In [9]: result = pd.concat([df1, df4], axis=1)
# This will merge columns of both the dataframes

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Source: pandas.pydata.org

Tags: concat co

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Contributed on Jun 02 2021

Friendly Falcon

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how to concat on the basis of particular columns in pandas

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