How to Summarize Data with Pandas Pivot Tables
Pivot tables turn a long, row-per-record log into a grid you can actually read: one category down the side, another across the top, and a real aggregate in every cell. This guide builds the index/columns/values/aggfunc model, then works through cross-tabs, multiple statistics per cell, margins totals, and the sharp edges around missing data on a reproducible synthetic survey dataset.
July 18, 2026 in Python, Data Analysis by Mehdi Lotfinejad8 minutes