Articles by Jon

R and RStudio incompatibility with Yosemite Mac OS X 10.10

October 23, 2014 | Jon

There is currently a bug (or feature?) in the current version of Yosemite (OS X 10.10) that messes with the passing of environmental variables to programs launched from Finder (as pointed out by Adam Maxwell). Notably, this means that PATH variables are not passed properly to or ... [Read more...]

GTA R Users Group – Using R for Data Mining Competitions

November 27, 2011 | Jon

Here are the presentation slides I used for my talk on “Using R for Data Mining Competitions” at Ryerson University as part of the Greater Toronto Area (GTA) R User’s Meetup Group. Presentation (Prezi) Presentation (PDF) Meetup Event page Special thanks to Anthony Goldbloom from Kaggle and various competition ... [Read more...]

Installing Rmpi with OpenMPI on Mac OS X Lion

August 8, 2011 | Jon

For whatever reason, Apple decided not to include OpenMPI in Mac OS X Lion (it was supported in Leopard and Snow Leopard). I found this out the hard way after doing a clean install of Lion. Here are steps to install OpenMPI and get it working with the Rmpi package ... [Read more...]

R with Vim on Mac OS X

December 12, 2010 | Jon

The built-in script editor for the Mac OS X R GUI actually isn’t bad. In fact it is much better than its Window’s counterpart. In particular, it has: Syntax highlighting Auto-completion Bracket matching Auto-indent Block code execution (with blocked command history) However, when coding in R and pretty ... [Read more...]

R on the iPhone

September 12, 2010 | Jon

iPhone users who have jailbroken their phone have been able to compile R for a while now since they have access to the command line via MobileTerminal.  However, I just recently found out that a package is now up on Cydia to ease installation. So I fired up my iPhone 4 ... [Read more...]

How to install R packages from source on Mac OS X

July 31, 2010 | Jon

In my last post about installing the rgdal R package on Mac OS X, I had apparently glossed over the last step of compiling the R package from source.  I hadn’t realized that Mac OS X actually doesn’t come default with the necessary software to do this.  Most ... [Read more...]

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