Due to some things falling into place, I had an opportunity to attend the first two days of last week's Ubuntu Developer Summit in beautiful Barcelona. Somehow, I had never managed to attend a Debian conference either, so it was good to meet a few of t...
Monthly Archives: May 2009
Ubuntu Developer Summit in Barcelona
Due to some things falling into place, I had an opportunity to attend the first two days of last week's Ubuntu Developer Summit in beautiful Barcelona. Somehow, I had never managed to attend a Debian conference either, so it was good to meet a few of the old Debian hands now moving Ubuntu along, as well as a few of the Ubuntu...
Nice Interview
Here you can read a nice interview with David Smith, REvolution Computing’s Director of Community, statistician and bloggeR.
R used by KDD 2009 cup winner of slow challenge
The results from the KDD Cup 2009 challenge (which we wrote about before) are in, and the winner of the slow challenge used the R statistical computing and analysis platform for their winning submission.
R used by KDD 2009 cup winner of slow challenge
The results from the KDD Cup 2009 challenge (which we wrote about before) are in, and the winner of the slow challenge used the R statistical computing and analysis platform for their winning submission.
Emacs: AucTeX + Rubber + Sweave
I got rubber to work with auctex and sweave (Rnw) files with the help of this. Basically, combined with my other stuff, I tweaked my .emacs file to look like: ;;following is AucTeX with Sweave -- works ;;http://andreas.kiermeier.googlepages.com/essmaterials (setq TeX-file-extensions '("Snw" "Rnw" "nw" "tex" "sty" "cls" "ltx" "texi" "texinfo")) (add-to-list 'auto-mode-alist '("\\.Rnw\\'" . Rnw-mode)) (add-to-list
JPM Chase Corporate Challenge 2009
The 28th annual JP Morgan Chase Corporate Challenge race took place a couple of days ago May 21. Participation was down from the record of 23,000 runners set last year at around 17,125. With splendid weather, it is always a nice way to start the Memorial day weekend.
We fielded a small but spirited team of nine runners. I finished with...
The R Journal, Issue 1 Volume 1
The R journal just published its inaugural peer-reviewed journal. Aligned with the open-source mantra, the journal is free and openly accessible. The journal features short articles on topics focused on R, including notes about new add-on packages, hints for R newcomers, application reports detailing examples of data analysis with R, and other news items. The current...
R tips: Use read.table instead of strsplit to split a text column into multiple columns
Someone on the R-help mailing list had a data frame with a column containing IP addresses in quad-dot format (e.g. 1.10.100.200). He wanted to sort by this column and I proposed a solution involving strsplit. But Peter Dalgaard comes up with a much nicer method using read.table on a textConnection object:
R tips: Use read.table instead of strsplit to split a text column into multiple columns
Someone on the R-help mailing list had a data frame with a column containing IP addresses in quad-dot format (e.g. 1.10.100.200). He wanted to sort by this column and I proposed a solution involving strsplit. But Peter Dalgaard comes up with a much nicer method using read.table on a textConnection object:
Zero Inflated Models and Generalized Linear Mixed Models with R.
Zuur, Saveliev, Ieno (2012).
