Tagged articles

column addition

2 articles · Page 1 of 1

Mar 14, 2025 · Fundamentals

How to Add Matching Columns from Two DataFrames in Python – Two Simple Methods

This tutorial walks through two practical ways to sum corresponding columns from two pandas DataFrames in Python, handling mismatched column names and showing both a rename‑and‑add approach and a NumPy‑based solution with clear code examples.

DataFramesPythoncolumn addition

0 likes · 3 min read

How to Add Matching Columns from Two DataFrames in Python – Two Simple Methods

Python Crawling & Data Mining

Apr 28, 2022 · Fundamentals

How to Add Corresponding Columns from Two DataFrames in Python: Two Simple Methods

This article walks through a fan's data‑processing question by presenting two practical Python approaches—renaming columns then summing, and using NumPy addition—to combine matching columns from separate DataFrames, complete with visual code examples.

Data ProcessingNumPyPandas

0 likes · 3 min read

How to Add Corresponding Columns from Two DataFrames in Python: Two Simple Methods