Cédric Scherer

Data Visualization & Information Design

A Quick How-to on Labelling Bar Graphs in ggplot2

Bar charts are likely the most common chart type out there and come in several varieties. Most notably, direct labels can increase accessibility of a bar graph. I got a request how one can add percentage labels inside the bars and how to highlight specific bars with {ggplot2}. This short tutorial shows you multiple ways how to do so.

A ggplot2 Tutorial for Beautiful Plotting in R

An extensive tutorial containing a general introduction to ggplot2 as well as many examples how to modify a ggplot, step by step. It covers several topics such as different chart types, themes, design choices, plot combinations, and modification of axes, labels, and legends, custom fonts, interactive charts and many more.

The Evolution of a ggplot (Ep. 1)

In this series of blog posts, I provide step-by-step tutorials explaining how my visualizations have evolved from a typical basic ggplot. In the first episode, I transform a basic boxplot into a colorful and self-explanatory combination of a jittered dot stripplot and a lollipop plot.