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 vote350 views1 answer
Np.multiply
Python
0 vote341 views1 answer
Gfrequency listing in pandas
Python
9 votes335 views2 answers
Read video with opencv
Python
0 vote372 views1 answer
Python cgi get raw post data
Python
-1 vote365 views1 answer
Fro flask import Flask, request, render_template, url_for, redirect, session
Python Flask
2 votes334 views1 answer
Panda get rows with date range
Python
0 vote322 views1 answer
Export high resolution .png matplotlib
Python
15 votes374 views3 answers
How to get the first key of a dictionary in python
Python
0 vote334 views1 answer
Differentate derivative differentation
Python
0 vote332 views1 answer
How to make download link in Jupyter appmode
Python