Articles by tony.fischetti@gmail.com

Lessons learned in high-performance R

May 30, 2015 | tony.fischetti@gmail.com

On this blog, I've had a long running investigation/demonstration of how to make a "embarrassingly-parallel" but computationally intractable (on commodity hardware, at least) R problem more performant by using parallel computation and Rcpp. The example problem is to find the… Continue reading → [Read more...]

Fun with .Rprofile and customizing R startup

September 17, 2014 | tony.fischetti@gmail.com

Over the years, I've meticulously compiled–and version controlled–massive and extensive configuration files for virtually all of my most used utilities, most notably vim, tmux, and zsh. In fact, one of the only configurable utilities for which I had no special configuration schema was R. This is extremely surprising, ... [Read more...]

Parallel R (and air travel)

November 13, 2013 | tony.fischetti@gmail.com

My heart sinks a little when I check on my laptop in the morning and the computation I started the night before still hasn’t finished. Even when the data I’m playing with isn’t particularly.... large... (I’m not going to say it), I have a knack for ... [Read more...]

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