# R

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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…

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## How to Make Print-ready Graphics in R, with ggplot2

You don’t have to use illustration software to polish your graphics. If keeping everything in R is your thing, this tutorial is for you.

• ## Generative art with R

Generative art seems to be having a moment right now, so it’s only…

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## How to Use Packed Circles in R

Adjust coordinates, geometries, and encodings with packed circles to make various types of charts.

• ## Value of R, the Statistics-specific language

Paul Ford has been learning R to better understand the field of Statistics.…

• ## Average color of geographic areas

Based on satellite imagery, Erin Davis found the average color of places around…

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## How to Make Alluvial Diagrams

Here’s how to do it in R from start to finish, plus editing in illustration software. Make design choices and trade-offs for more readable charts.

• ## Transform an image into a pixel-ly visual

Here’s a fun interactive by Duc-Quang Nguyen. Upload an image and get back…

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## Making a Quick, Custom Prevalence Map – The Process 139

This week I’m describing my process behind a quick map. You can download the code at the end of this issue.

• ## Send postcards of plots made in R

How many times have you made a plot in R and thought, “I…

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## How to Make Ternary Plots in R, with ggplot2

When you want to compare between three parts of your data, ternary plots might be a good option. Here is how to make them.

• ## Introducing a New Course on Mapping Geographic Data in R, with ggplot2

I’m happy to announce a new course on mapping geographic data in R,…

• ## R graphics get modern text support, with ragg package

Thomas Lin Pedersen announced the ragg package, which makes font usage in R…

• ## Parsing a table from an image

Thomas Mock explains how to extract and parse data tables in image files…

• ## Turn images into LEGO builds in R

The brickr package in R by Ryan Timpe takes an image, converts it…

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## How to Make Symbol-based Glyph Charts, with R Examples

Using geometric shapes as an encoding can provide another dimension to your charts.

• ## Making map art in R

If you can make maps in your software and customize the aesthetics, you…

• ## Presidential Plinko

To visualize uncertainty in election forecasts, Matthew Kay from Northwestern University used a…