Data visualisation, reproducible research and anti-AI slop sentiment are the main things you’ll find in my blog. But there are other topics too.

Round 2! Beyond Plotly, Interactive dataviz with R

Our “Beyond Plotly: Interactive Dataviz with R” workshop announcement was so popular we signed up 119 people in the first 5 days. So we’ve added a second session on Monday…
Jan 26, 2026
2 min

Beyond Plotly: interactive dataviz with R

Plotly abandoned r in September 2025. Start your new year expanding your vision of what’s possible with interactive data visualisation in R through {htmlwidgets}.
Jan 21, 2026
1 min
Elmo rise meme format showing Elmo superimposed on flames with his arms wide and the plotly company logo showing above.

Plotly abandoned R in 2025. Start 2026 thinking if it really is your best choice.

Plotly isn’t magic, it’s powered by {htmlwidgets} which unlocks a vast universe of interactive dataviz with over 133 packages! Consider if you should move beyond Plotly.

Jan 5, 2026
Charlotte Jane Hadley
16 min
Annotated ggplot2 code demonstrating the difference between dataviz-level and geom-specific aesthetics.

{ggplot2}’s two level aesthetics: dataviz or geom-specific

It’s the aesthetics that power {ggplot2} but there are two different levels of aes(), dataviz level and geom-specific.

Jan 2, 2026
Charlotte Jane Hadley
6 min
Procedural art showing smooth curved lines arranged to appear similar to the elemental stones from the movie Fifth Element.

Curves and stones

Recreating the elemental stones with {ggplot2}

Dec 29, 2025
Charlotte Jane Hadley
13 min
Screenshot of the code do.call(hc_xAxis, c(list(hc_marital_bar_chart), list_hc_xaxis_args) with the corresponding horizontal bar chart produced by highcharter.

Highcharts, do.call and c(list())

Getting around Error: All arguments must be named list, and why does do.call() want c(list(), list(…)) with htmlwidgets?

Dec 10, 2025
Charlotte Jane Hadley
4 min

Your year in ggplot2 with {ggplot2wrapped} 2025!

Merry Christmas! Visualise your year in geoms with Charlotte Hadley’s newly released package {ggplot2wrapped} and learn a quick story about Abstract Syntax Trees for parsing R code files.

Dec 1, 2025
5 min

Announcing our launch workshop!

We’re very excited to finally be launching GCPDS in November 2025!
Nov 3, 2025
9 min
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