Tutorials

60 posts
Members Only: How to Make a Multi-line Step Chart in R

For the times your data represents immediate changes in value. Read More

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Members Only: Symbols-based Charts to Show Counts in R

Add visual weight by using individual items to show counts. Read More

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Introducing a Course for Mapping in R

Mapping geographic data in R can be tricky, because there are so many ways to complete separate tasks. It’s a jumble of options and you have to figure out how to put the pieces together. This course walks you through the steps so that the process isn’t so jumbley. FlowingData members can access the course right now. Learn how to load geographic data, draw boundaries, map locations, and make data-driven...

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Members Only: How to Edit R Charts in Adobe Illustrator

A detailed guide for R users who want to polish their charts in the popular graphic design app for readability and aesthetics. Read More

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Members Only: How to Make an Animated Map in R, Part 4

In the the last part of the four-part series, you make a longer animation with more data and annotate. Read More

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Members Only: Transitioning Map, Part 3: Animate Change Over Time

How to make a bunch of maps and string them together to show change. Read More

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Members Only: Transitioning Map, Part 2: Refining the Format and Layout

How to make a more readable and more visually accurate map, before you dive into the big transitions. Read More

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Teaching Data Journalism In China

I’ve just returned from a week in China, teaching data journalism to students from all over the country at Fudan University (sponsored by the U.S. China Education Trust). Helped by a fabulous co-instructor, Yan Lu, we taught them about acquiring data, data wrangling, storytelling, visualization, SQL, mapping, news apps and more. The students, working journalists and professors, were quite impressive. Working in groups, they created several data-driven projects of their...

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Members Only: Mapping Irregular Data with Interpolation in R

Rarely do you have evenly-spaced data across an entire geographic space. Here is a way to fill in the gaps. Read More

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Members Only: Quickfire How-To for Visualizing Proportions in R

There are many ways to show parts of a whole. Here are quick one-liners for the more common ones. Read More

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