This is a collection of my personal notes for Data Visualization in Python. Originally I had kept these in a collection of Jupyter notebooks, but it will be much more useful to just put them online so ...

I propose the following law: “The longer an innovative visualization exists, the probability someone says it should have been a line/bar chart approaches 1” I’ve seen the “shoulda been a ...

In my two previous articles, I’ve introduced you to using Observable JavaScript with R or Python ... make up a visualization that also underlies ggplot. While a simple ggplot2 bar graph uses ...