I have found myself over the years in a rather awkward situation. I work in old-school, bricks and mortar industry IT shops for the most part. However, I love many open source projects and identify with many of the values of start up cultur...

Basically every function you use in R is part of a package (often the base or stats one). Most of the advances routines, such as the differential equations solvers in simecol are brought to R in the form of Fortran (…)Read the rest of this entry »

I just discovered that R core member Paul Murrell has been maintain a list of plaudits for R: newspaper articles, book reviews, remarks on mailing lists and blogs, and even gratitudes from individual R users. He's collected dozens of entries since 2001 -- great materials here if you ever need more evidence of the awesomeness of R. Paul Murrell:...

Just a couple of quick notes about the first day of talks at useR! 2010. It's been a jam-packed schedule -- so many good talks to see and people to meet, I just wish I had more time for it all! One stand-out for me so far has been Frank Harrell's keynote lecture Information Allergy, on the dangers of...

R can produce some beautiful graphics, and there are some excellent packages, such as lattice and ggplot2 to represent data in original ways. But sometimes, all you want to do is explore the realtionship between pairs of variables with the minimum of fuss. In this post we’ll use the data which we imported in the

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