Articles by Julyan Arbel

Running R on an iPhone/iPad with RStudio

May 3, 2011 | Julyan Arbel

This thread has been widely discussed on a lot of forums. To make a long story short, running natively R on an iDevice (meaning iPhone/iPad) is disabled by its OS, unless it is jailbroken. The steps for the installation through Cydia are described in this R wiki, or this ... [Read more...]

RStudio is good for you

April 29, 2011 | Julyan Arbel

I was recently introduced to RStudio, a new integrated development environment for R, it is just amazing! It is free, and open, compatible with PC/Mac/Linux OSs. You can also choose to run it in the cloud, and access it from your favorite web browser. As you can see, ... [Read more...]

Statisfaction on R-bloggers

April 23, 2011 | Julyan Arbel

This is the first post of Statisfaction on R-bloggers. As an introduction: we are PhD students and postdocs at CREST, a research centre on economics and statistics located in Paris, France. We jointly share tips and tricks useful in our everyday jobs, links to various pages, articles, conferences, seminars, including ... [Read more...]

Speed up your R code

January 26, 2011 | Julyan Arbel

This short post is to share an R tip Pierre recently gave me. When you need to store values sequentially (typically inside a loop), it’s more far efficient to create the whole vector (or matrix) and to fill it, rather than to concatenate the values to your current vector (... [Read more...]

Graph gallery in R

January 6, 2011 | Julyan Arbel

R is sometime criticized for producing graphs not as elaborated as Matlab ones, or other softwares’. Here is a link to a graph gallery by Romain François to “enhance your data visualization with R”. The corresponding R code is given. Might be useful for ENSAE students for ‘statap’ projects. ...
[Read more...]
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