Tutorials

✚ How to Make a Spiral Chart in R

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by Nathan Yau / June 29, 2020 / R, Tutorials

Using a spiral might not be the best way to encode data. But here's how to do it anyway. Just in case. Read More

✚ How to Make Difference Charts in Excel

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by Jorge Camoes / May 20, 2020 / Excel, Tutorials

Also known as a bivariate area chart, the plot type focuses on the comparison between two time series. Read More

✚ How to Make Animated Histograms in R, with ggplot and gganimate

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by Maarten Lambrechts / May 13, 2020 / ggplot, R, Tutorials

Make them move to show a shift in distributions over time. Read More

✚ How to Visualize Anomalies in Time Series Data in R, with ggplot

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by Maarten Lambrechts / April 16, 2020 / ggplot, R, Tutorials

Quickly see what's below and above average through the noise and seasonal trends. Read More

How to Flatten the Curve, a Social Distancing Simulation and Tutorial

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by Nathan Yau / March 18, 2020 / animation, R, simulation, Tutorials

Using R, we look at how your decreased interaction with others can help slow the spread of infectious diseases. Read More

✚ How to Visualize Hierarchical Graphs in R, with ggraph and tidygraph

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by Maarten Lambrechts / January 29, 2020 / ggplot2, ggraph, R, Tutorials

Network graphs are a good way to find structure and relationships within hierarchical data. Here are several ways to do it. Read More

✚ How to Make Line Charts in Python, with Pandas and Matplotlib

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by Lynn Cherny / January 9, 2020 / Matplotlib, pandas, Python, Tutorials

The chart type can be used to show patterns over time and relationships between variables. This is a comprehensive introduction to making them using two common libraries. Read More

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

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by Maarten Lambrechts / December 16, 2019 / ggplot, R, Tutorials

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

✚ How to Make Interactive Frequency Trails with D3.js

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by Peter Cook / December 16, 2019 / d3js, Javascript, Tutorials

Layering time series data or distributions with this method can change the feel and aesthetic versus a multi-line chart or small multiples. In some cases, frequency trails let you show more in less space. Read More

✚ How to Draw Maps with Hatching Lines in R

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by Nathan Yau / December 3, 2019 / R, Tutorials

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. Read More