merge on index pandas

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showing results for - "merge on index pandas"
Khadija
18 Sep 2018
1pd.merge(df1, df2, left_index=True, right_index=True)
2
Sasha
13 May 2019
1import pandas as pd
2df1 = pd.DataFrame({'lkey': ['foo', 'bar', 'baz', 'foo'],
3                    'value': [1, 2, 3, 5]})
4df2 = pd.DataFrame({'rkey': ['foo', 'bar', 'baz', 'foo'],
5                    'value': [5, 6, 7, 8]})
6df1.merge(df2, left_on='lkey', right_on='rkey')
Talia
02 Jul 2016
1>>> df1.merge(df2, left_on='lkey', right_on='rkey')
2  lkey  value_x rkey  value_y
30  foo        1  foo        5
41  foo        1  foo        8
52  foo        5  foo        5
63  foo        5  foo        8
74  bar        2  bar        6
85  baz        3  baz        7
9
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