Unpivoting a Pandas DataFrame

How to massage a Pandas DataFrame into the shape you need

Photo by Todd Quackenbush on Unsplash

Introduction

Last article we shared an embarrassing moment which encouraged us to learn and use Pandas to pivot a DataFrame. Today we are going to look at Pandas built-it .melt() function to reverse our pivoted data. The .melt() function comes in handy when you need to reshape or…