Blog Archives

Freshwater access in rural regions, using d3Network to explore similarities

January 1, 2014
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Freshwater access in rural regions, using d3Network to explore similarities

This post describes the construction of a similarity matrix and its use in creating grouped network graphs to examine freshwater access in rural regions of 194 countries around the world. The data comes from the WHO/UNICEF Joint Monitoring Programme (JMP) for Water Supply and Sanitation, downloaded from The World Bank December 26, 2013. Dataset construction

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Creating a simple Morris bar chart with rCharts and Survey packages

December 16, 2013
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Creating interactive graphs and charts is a great way to show a lot of information in a small space without cluttering up the drawing canvas. This post describes the use of Ramnath Vaidyanathan’s rCharts package with Thomas Lumley’s survey package to create a simple bar chart with design-corrected standard errors that appear on mouseover. The

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R installation notes for the occasional R user

December 14, 2013
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In an organization with say, more than 10 people, letting users manage their own installations has goat rodeo written all over it. For this reason, I’m guessing your responsibility for software installations is inversely proportional to the size and sophistication of the organization you work for. So, if you’re an occasional user of R at

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