Tutorials

✚ How to Make a Polar Density Plot in R

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by Nathan Yau / August 22, 2019 / polar coordinates, R, Tutorials

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

✚ How to Make Baseline Charts in R

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by Nathan Yau / July 31, 2019 / R, relative, Tutorials

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. Read More

✚ Getting Started with D3.js

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by Peter Cook / June 18, 2019 / d3js, Javascript, Tutorials

Learn how to build a custom visualization using D3.js and get acquainted with the popular JavaScript library. Read More

✚ How to Make a Moving Bubble Chart, Based on a Dataset

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by Nathan Yau / April 23, 2019 / d3js, Tutorials

Ooo, bubbles... It's not the most visually efficient method, but it's one of the more visually satisfying ones. Read More

✚ How to Make a Bump Chart in R

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by Nathan Yau / March 26, 2019 / R, Tutorials

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

✚ How to Make Dot Timelines in R

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by Nathan Yau / February 28, 2019 / R, Tutorials

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

✚ How to Make a Mosaic Plot in R

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by Nathan Yau / January 29, 2019 / R, Tutorials

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

✚ How to Make Animated (GIF) Heatmaps in R

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by Nathan Yau / January 15, 2019 / animation, R, Tutorials

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

✚ How to Make an Interactive Map of Geographic Paths

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by Peter Cook / December 5, 2018 / d3js, Javascript, leaflet, Tutorials

With latitude and longitude coordinates, there are a number of ways to map geographic data using D3.js and Leaflet. Read More

✚ How to Make Frequency Trails in R

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by Nathan Yau / November 2, 2018 / R, Tutorials

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. Read More