Merge on index pandas

Pandas merge python

import pandas as pd
df1 = pd.DataFrame({'lkey': ['foo', 'bar', 'baz', 'foo'],
                    'value': [1, 2, 3, 5]})
df2 = pd.DataFrame({'rkey': ['foo', 'bar', 'baz', 'foo'],
                    'value': [5, 6, 7, 8]})
df1.merge(df2, left_on='lkey', right_on='rkey')

Merge on index pandas

pd.merge(df1, df2, left_index=True, right_index=True)

Source: stackoverflow.com

Similar codes

1 vote336 views1 answer
Require http method django view
Python Django
0 vote332 views1 answer
Python mann kendall test
Python
35 votes326 views6 answers
Install matplotlib
Python
3 votes343 views2 answers
Extract one column from dataframe python
Python
1 vote272 views1 answer
Get urls from any website use python
Python
0 vote331 views1 answer
Python ++ counter
Python
0 vote356 views1 answer
Python print to string
Python
1 vote324 views1 answer
Dire Bonjour en python
Python
3 votes318 views2 answers
How to format a file in python
Python
0 vote313 views1 answer
How to access python list
Python