Blog Archives

Population Lines: How and Why I Created It

April 27, 2017
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Population Lines: How and Why I Created It

Thanks to the power of Reddit the “Population Lines” print (buy here) I created back in 2013 has attracted a huge amount of interest in the past week or so (a Europe only version made by Henrik Lindberg made the Reddit front page). There’s been lots of subsequent discussion about it’s inspiration, effectiveness as a form of

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10 Million Dots: Mapping European Population

March 23, 2017
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10 Million Dots: Mapping European Population

Creating a giant dot density map using R.

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Mapping 5,000 Years of City Growth

March 6, 2017
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Mapping 5,000 Years of City Growth

I recently stumbled upon a great dataset. It’s the first to provide comprehensive data for world city sizes as far back as 3700BC. The authors (Meredith Reba, Femke Reitsma & Karen Seto) write: How were cities distributed globally in the past? How many people lived in these cities? How did cities influence their local and regional

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Mapping (historic) tracks in ggplot2

October 10, 2016
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This tutorial was first published in “Geocomputation a Practical Primer“. Here is a more complex example showing how to produce a map of 18th Century Shipping flows. The data have been obtained from the CLIWOC project and they represent a sample of digitised ships’ logs from the 18th Century. We are using a very small

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Mapping Flows in R

March 30, 2015
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Mapping Flows in R

Last year I published the above graphic, which then got

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Improving R Data Visualisations Through Design

November 6, 2014
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Improving R Data Visualisations Through Design

When I start an R class, one of my opening lines is nea

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Stunning Maps of World Topography

February 7, 2014
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Stunning Maps of World Topography

Robin Edwards, a researcher at UCL CASA, has created th

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Coxcomb Plots and Spiecharts in R

January 20, 2014
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Coxcomb Plots and Spiecharts in R

I am not a great fan of pie charts since they are often

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Introduction to Spatial Data and ggplot2

December 9, 2013
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Introduction to Spatial Data and ggplot2

For those starting out with spatial data in R, Robin Lo

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Where is the R Activity?

June 10, 2013
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Where is the R Activity?

R has become one of the world’s most widely used

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