Informatique / R

Do you still have time to sleep ?

June 11, 2012 | arthur charpentier

Last week, @3wen (Ewen) helped me to write nice R functions to extract tweets in R and build datasets containing a lot of information. I've tried a couple of time on my own. Once on tweet contents, but it was not convincing and once on the activit... [Read more...]

Maps with R, and polygon boundaries

December 21, 2011 | arthur charpentier

With R, it is extremely easy to draw maps. Let us start with something simple, like French regions. Baptiste mentioned on his blog that shapefiles can be downloaded from website. Hence, if you extract the zip file, it is possible to ... [Read more...]

Playing with robots

May 3, 2011 | arthur charpentier

My son would be extremely proud if I tell him I can spend hours building robots. Well, my robots are not as fancy as Dr Tenma's, but they usually do what I ask them to do. For instance, it is extremely simple to build a robot with R, to extract ... [Read more...]

Maps with R, part… n+1

January 11, 2011 | arthur charpentier

Following the idea posted on James Cheshire's blog (here), I have tried to play a little bit with R and Google. And it works ! Consider for instance life expectancy at birth (that can be found - and downloaded - here). Using the following code, it ...
[Read more...]

Pretty R code in the blog

November 5, 2010 | arthur charpentier

David Smith (alias @revodavid, see also on the Revolutions blog, here) pointed out that my R code was not easy to read (not only due to my computing skills, but mainly because of the typography I use). He suggested that I use the Pretty R tool (her... [Read more...]

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