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

4 votes188 views3 answers
No such table: django_session
Python Django
0 vote181 views1 answer
Hugingface ner
Python
4 votes224 views5 answers
Numpy add new column
Python
0 vote141 views1 answer
Jupyter notebook check memory usage
Python
1 vote139 views1 answer
Put array over array in numpy
Python
8 votes148 views1 answer
Use beautifulsoup
Python
1 vote151 views1 answer
Can you print to multiple output files python
Python
0 vote149 views1 answer
Python loop over s3 objects]
Python
5 votes149 views2 answers
Copy a file from one directroy to other using python
Python
0 vote193 views2 answers
Generate-thumbnails-in-django-with-pil
Python Django