I have two courserelated updates on FlowingData. First, there’s a new course on…
R

New Visualization in R Course, and Other Updates

Deleting your tweets with R
Twitter isn’t in a great place right now, so maybe you want to…

Introduction to Data Science, an open source book
Introduction to Data Science, by Harvard biostatistics professor Rafael A. Irizarry, is an…

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How to Draw and Use Polygons in R
R provides functions for basic shapes, but you can also draw your own for maximum fun.

RStudio changes name to Posit
RStudio, the company behind the IDE of the same name, are changing their…

Introduction to statistical learning
An Introduction to Statistical Learning, by Gareth James, Daniela Witten, Trevor Hastie, and…

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How to Make an Animated Donut Chart in R
There are “better” ways to show proportions over time, but sometimes you just want an animated donut.

Catching students cheating with R
Matthew Crump, a psychology professor who discovered high volume cheating in his class…

R packages useful for sports analytics
If you’re into R and analyzing sports data, you’ll want to save this…

Procedural dungeons in R
Matt Dray is developing a package in R that runs a textbased game.…

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How to Make Bubble Clusters in R
Represent individual counts with grouped units to make data feel less abstract.

Ross Ihaka, cocreator of R, reflects on the language
NZ Herald talked to Ross Ihaka, one of the creators of R:
Today,… 
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How to Make Cartograms in R
While the reshaped geography doesn’t work all the time, the use of size to show data can be more intuitive in some cases.

Colors for All, R package
If you use color as a visual encoding, you should make sure every…

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How to Make a Line Chart with a Color Gradient in R
Use color to reinforce or add another layer of meaning to a regular line chart.

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How to Make UpSet Plots in R, with ggplot2 and ggupset
A more readable alternative to Venn diagrams for when you have more than a few sets.

A Quick and Easy Way to Make Spiral Charts in R
Now that we’ve discovered another way to annoy chart snobs, here’s how you can make your own spirals.

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How to Make a Custom Stacked Area Chart in R
You could use a package, but then you couldn’t customize every single element, and where’s the fun in that?

Spike maps in R
Spike maps use the height of spikes to encode data geographically. The format…

A Succinct Intro to R
Before you get into analysis and visualizing data with R, you need to…