The R Graph Gallery
Yan Holtz
Hundreds of charts made with R, most of them with ggplot2, each shown next to the code that draws it. A sister site covers Python.
What you will find
- Chart types from basic to advanced, each with reproducible code
- Step-by-step pages that start from a default chart and build up to a polished one
- The Python Graph Gallery for the same charts in Python
What we can learn from it
- 01Reproducible charts: the code sits beside the picture
- 02Polish is a sequence of small steps, each one visible
Chart types you will meet there
Heatmap
A grid of cells coloured by value, showing patterns across two categorical dimensions.
Box plot
Summarises each group with median, quartiles, whiskers and outliers, so many distributions compare in little space.
Violin plot
Mirrors a smoothed distribution around a centre line, showing the full shape of each group.
Streamgraph
A stacked area around a wandering centre line, showing the ebb and flow of many categories over time.
Similar sites
Observable: D3 gallery
The official gallery of D3 examples, each one a live notebook you can edit and fork, alongside notebooks from the wider community.
FlowingData
Nathan Yau’s site on visualization and statistics: his own charts, a roundup of good work elsewhere, and tutorials on how to make them.
The Pudding
A digital publication of visual essays that explain ideas debated in culture, from music and film to language and the internet.