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

0 vote162 views1 answer
Django redirect to external url
Python Django
0 vote131 views1 answer
Numpy histogram 0 to 100 percent
Python
0 vote118 views1 answer
Using csv module how to read perticular lines in csv
Python
0 vote125 views1 answer
Get the first element that is larger than
Python
-1 vote142 views1 answer
Django migrate not creating tables
Python Django
1 vote119 views1 answer
Search google images python
Python
24 votes130 views3 answers
Flask vs django
Python
0 vote127 views1 answer
Preserve leading zeros python
Python
0 vote132 views1 answer
Python requests pass auth token
Python
3 votes116 views1 answer
Multiple linear regression in python
Python