groupby and aggregation

Split, apply, combine is the pattern behind nearly every summary table you will ever produce.

11m
Beginner

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Video by Alex The Analyst · YouTube

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Overview

What this lesson covers

Group rows and aggregate each group
Apply several aggregations at once
Pivot and reshape a summary for presentation

This lesson sits in pandas Essentials, part of Python for Data Work. It assumes what came before it and leads directly into the next lesson in the module.

In this lesson you will:

Group rows and aggregate each group
Apply several aggregations at once
Pivot and reshape a summary for presentation

Resources

pandas documentationThe official reference for the tools used in this lesson.