I love when people take a sophisticated tool and use it to play video games. Take R for example. I first saw someone create a game for R at talk.stats.com. My friend Dason inspired me to more efficiently waste time … Continue reading →
Monthly Archives: July 2012
Hangman in R: A learning experience
My New Book: Developing, Deploying and Debugging Multi-Armed Bandit Algorithms
I’m happy to announce that I’ve started writing a new book for O’Reilly, which will focus on teaching readers how to use Multi-Armed Bandit Algorithms to build better websites. My hope is that the book can help web developers build up an intuition for the core conundrum facing anyone who wants to build a successful
Petrol prices adjusted for inflation
Petrol prices adjusted for inflation (Perth, Western Australia) The thought for this sprung to mind when I saw petrol drop below $1.20 per litre the other day, and it made me think, I remember paying that when I got to … Continue reading →
Hi R and Axys, I’m d3.js “Nice to Meet You” (On the Iphone)
I am still definitely in the proof of concept stage, but as I progress I get more excited about the prospects of combining d3.js with R and Axys through Bryan Lewis’ really nice R websockets package (even nicer now that he has added the daemonize fun...
R is reported as being used by about half of all data miners in the 2011 Data Miners Survey
by Yanchang Zhao, RDataMining.com R is reported as now being used by close to half of all data miners (47%) in the 2011 Data Miners Survey by Rexer Analytics. Below is picked up from the survey highlights regarding data mining … Continue reading →
My no loops in R hair shirt
Being professional involved with analyzing source code I get to work with a much larger number of programming languages than most people. There is a huge difference between knowing the intricate details of the semantics of a language and being able to fluently program in a language like a native developer. There are languages whose
Revolution Analytics at JSM 2012
Revolution Analytics is proud to once again be a gold sponsor and Wi-Fi sponsor of the JSM 2012 conference in San Diego, the largest gathering of statisticians, biostatisticians, analysts, data miners and data scientists in the world. The conference begins on Sunday, and you'll find the Revolution Analytics team in the exhibit hall. Drop by to take a look...
rApache 1.2.0 Released
With this release comes a minor change in behavior: for requests that have been configured with RFileEval, RFileHandler, or using the r-script handler, rApache will set the working directory to the file’s directory.
For instance with a Rook deployment like this:
<Location /hmisc>
SetHandler r-handler
...ggplot2: A little twist on back-to-back bar charts
Sangyoon Lee
Background
While thinking about ways to represent incoming and outgoing flows in a business process, I thought about using export-import charts like the one shown here in the Learning R blog. However, as the author acknowledges, it is difficult to compare individual values using these charts. Regardless, I still wanted to have...
Evolution average number of beds per hospital
The OECD collects (among a lot of other statistics) information on the number of hospitals and hospital beds per country. These two parameters combined and its evolution over the years could give an indication on whether or not the country’s hospital landscape is evolving towards large medical centers, small scale Read more »
Zero Inflated Models and Generalized Linear Mixed Models with R.
Zuur, Saveliev, Ieno (2012).
