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(This article was first published on <strong><a href="http://blog.revolutionanalytics.com/2017/04/where-europe-lives.html"> Revolutions</a></strong>, and kindly contributed to <a rel="nofollow" href="https://www.r-bloggers.com/">R-bloggers)</a> </div>
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<p>Via <a target="_blank" rel="nofollow" href="https://twitter.com/galka_max">Max Galka</a>, always a great source of interesting data visualizations, we have this lovely visualization of population density in Europe in 2011, created by <a target="_blank" rel="nofollow" href="https://gist.github.com/halhen">Henrik Lindberg</a>:</p>
<p>  <a target="_blank" rel="nofollow" href="http://revolution-computing.typepad.com/.a/6a010534b1db25970b01b8d27c9dd5970c-pi"><img title="Europe" alt="Europe" src="http://revolution-computing.typepad.com/.a/6a010534b1db25970b01b8d27c9dd5970c-800wi" border="0"></a></p>
<p>Impressively, the chart was created with just 14 lines of R code:</p>
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<p>(To recreate it yourself, download the <a target="_blank" rel="nofollow" href="http://ec.europa.eu/eurostat/cache/GISCO/geodatafiles/GEOSTAT-grid-POP-1K-2011-V2-0-1.zip">GEOSTAT-grid-POP-1K-2011-V2-0-1.zip</a> file from eurostat, and move the two <code>.csv</code> files inside in range of your R script.) The code parses the latitude/longitude of population centers listed in the CSV file, arranges them into a 0.01 by 0.01 degree grid, and plots each row as a horizontal line with population as the vertical axis. Grid cells with zero populations cause breaks in the line and leave white gaps in the map. It's quite an elegant effect!</p>
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