Blog posts about rworldmap.
In English (other languages below)
2013
http://www.schubertmalbas.net/2013/05/choropleth-maps-in-r.html
http://jepoirrier.org/2013/02/10/map-of-gavi-eligible-countries-in-r
https://dartthrowingchimp.wordpress.com/2013/01/23/coup-risk-in-2013-mapped-my-way/
http://rud.is/b/2013/01/17/shodan-api-in-r-with-examples/
http://www.milanor.net/blog/?p=594
2012
http://www.milanor.net/blog/?p=534
http://lamages.blogspot.co.uk/2012/12/comparing-regions-maps-cartograms-and.html
https://gen.org.nz/tiki-index.php?page=Previous%20Winners
Chart of the week, Government Economics Network, November 2012.
http://www.voxeu.org/article/market-access-global-and-regional-trade
http://blog.xavier-fim.net/2012/10/using-r-to-draw-maps-on-country-data/
http://rulesofreason.wordpress.com/2012/03/19/visualizing-left-right-government-positions/
http://www.russellshepherd.com/d/?q=blog/big-picture-econ
2011
http://thedatamonkey.blogspot.co.uk/2011/06/two-cool-new-packages-for-r.html
http://nzprimarysectortrade.wordpress.com/2011/10/16/r-tells-you-where-weapons-go/
http://nzprimarysectortrade.wordpress.com/2011/10/04/tutorial-on-using-the-rworldmap-package/
Foreign language blog posts :
Russian :
http://quantviews.blogspot.co.uk/2013/02/choropleth-maps-rworldmap-r.html
Japanese :
http://siguniang.wordpress.com/2011/07/12/rworldmapmapping-worldwide-suicide-rates/
German :
http://geoobserver.wordpress.com/2012/12/12/gis-ohne-gis-die-2/
http://statistiksoftware.blogspot.co.uk/2011/10/weltkarten-mit-r.html
http://www.statistik.lmu.de/institut/ag/leisch/teaching/seminar1011/12-geo-II.R
Chinese :
http://f.dataguru.cn/thread-123159-1-1.html
http://cos.name/cn/topic/105601
Korean :
http://blog.daum.net/metamoi/13121028
Finnish :
http://www.r-ohjelmointi.org/?p=906
Catalan :
http://sergixaudiera.com/2013/mapamundi-amb-valors-utilitzant-r/
French :
http://dimension.usherbrooke.ca/dimension/crin.jsp
Ressources complémentaires pour l’ouvrage Statistiques en sciences sociales avec R, Jean-Herman Guay.