# R

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## How to Make a Grid Map with Histograms in R, with ggplot

Layout multiple charts in a single view. Then adjust the scales appropriately for maximum comparability and a unified graphic.

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## How to Draw Maps with Hatching Lines in R

Fill areas with varying line density to give more or less visual attention. With geographic maps, the technique is especially useful to adjust for population density.

• ## Teaching R to 7th graders

Joshua Rosenberg describes his one-day experience teaching R to 7th graders:
[T]he activity…

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## How to Make a Bump Chart in R, with ggplot

Visualize rankings over time instead of absolute values to focus on order instead of the magnitude of change.

• ## Detailed generative art in R

Thomas Lin Pedersen has been sharing his generative art pieces as of late:…

• ## Optimizing a Pokémon team with simulation

Emily Robinson recently took up Pokémon on Nintendo Switch:
I recently started playing…

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## How to Make a Polar Density Plot in R

With cyclical data, a circular format might be useful. Combine that with a smooth density to reduce noise, and you got yourself a plot.

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## How to Make Baseline Charts in R

By shifting the baseline to a reference point, you can focus a line chart on relative change, which can improve the visibility of smaller categories.

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## Select Your Weapon (The Process #48)

Some people love the Tidyverse in R. Others are less fond of it. For me, the more tools the better.

• ## What is R, what it was, and what it will become

Roger Peng provides a lesson on the roots of R and how it…

• ## Damian Lillard’s Game-Winner in Context

Here are all the playoff threes he’s made in his playoff career, plus some R code.

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## How to Make a Bump Chart in R

Visualize rankings over time instead of absolute values to focus on order instead of the magnitude of change.

• ## Hatching image effect in R

Here’s a fun thing to try in R. Jean Fan posted some code…

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## How to Make Dot Timelines in R

For when you want to show the occurrence of events over time.

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## How to Make a Mosaic Plot in R

Also known as a Marimekko diagram, the mosaic plot lets you compare multiple qualitative variables at once. They can be useful, sometimes.

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## How to Make Animated (GIF) Heatmaps in R

Using color as the visual encoding, show changes over time in two dimensions.

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## Tufte Tweet Follow-up; Visualization Tools and Resources Roundup for December 2018

Edward Tufte criticized R for not being able to do some things typographically. It came in a tweet and was likely misunderstood. Sort of. I got a clarification from the man himself.

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## How I Made That: Animated Difference Charts in R

A combination of a bivariate area chart, animation, and a population pyramid, with a sprinkling of detail and annotation.

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## How to Make Frequency Trails in R

Also known as ridgeline plots, the method overlaps time series for a 3-D-ish view of the data. While perhaps not the most visually efficient, the allure is undeniable.

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## How to Make Better-Looking, More Readable Charts in R

Defaults are generalized settings to work with many datasets. This is fine for analysis, but data graphics for presentation benefit from context-specific design.