Cédric Scherer

Data Visualization & Information Design

Hi, I am Cédric 👋

Data Visualization Designer, Consultant and Instructor for Engaging and Effective Graphical Storytelling.

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Efficiency and Consistency: Automate Subset Graphics with ggplot2 and purrr

Discover how to effortlessly generate custom and even complex graphics for subsets of your data by seamlessly integrating {ggplot2}'s versatile plotting functionalities with {purrr}'s powerful functional programing capabilities. This is especially helpful for data featuring many categories or step-by-step graphical storytelling

Wednesday • July 5, 2023

2-Day Workshop on "Graphic Design with ggplot2" at rstudio::conf 2022

End of July, I had the honor to teach an in-person ggplot2 workshop at the rstudio::conf in Washington DC. All course resources are available on the course webpage featuring slides, hands-on R codes, recap notes, and exercises including prepared scripts and step-by-step solutions.

Tuesday • August 9, 2022

International Women's Day 2022: The Pay Gap in Europe

Sadly, inequality between women and men is still an issue. In 2020, women's gross hourly earnings were on average 13 percentage points below those of male paid employees in the European Union. Only five countries in the EU report a gap smaller than 5 percentage points with Luxembourg being closest to zero.

Tuesday • March 8, 2022

The World's Countries Colored by Their First Letter

While preparing the mapping section for a Pearson–O'Reilly training, I got the idea to visualize the first letter of each country. And got especially curious about how much landmass each letter covers. Turns out: A, C and R are covering the largest areas!

Friday • August 27, 2021

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.

Monday • July 5, 2021

Visualizing Distributions with Raincloud Plots (and How to Create Them with ggplot2)

Raincloud plots, that provide an overview of the raw data, its distribution, and important statistical properties, are a good alternative to classical box plots. In this tutorial, I highlight the potential problem of box plots, illustrate why raincloud plots are great, and show numerous ways how to create such hybrid charts in R with {ggplot2}.

Sunday • June 6, 2021