Recently I was asked by O’Reilly publishing to give a book review for Paul Teetor new introductory book to R. After giving the book some attention and appreciating it’s delivery of the material, I was happy to write and post this review. Also, I’m very happy to see how a major publishing house like O’Reilly is producing more and
type n graph.R Download this file One of the most useful graphs you can produce in R using the plot(...) function is one with nothing in it. Using the type="n" option, you get a blank canvas to which you can add points, lines, text, sh...
Andrew Ng has posted introductory machine learning lessons on the OpenClassRoom site. I've watched the first set and will here solve Exercise 2.
The exercise is to build a linear regression implementation, I'll use R.
The point of linear regression is to come up with a mathematical function(model) that represents the data as best as possible, that is done...
The Web-based Flash game Canabalt, whose scores have been analyzed by R before, is now available as an iOS App. Because the app is configured to work on three different platforms: the iPad, iPhone and iPod Touch; and because players are invited to tweet their best scores at the end of the game, like this: the Twitter stream again...
Inspired by the discussions on the same topic, Avram Aelony presented an overview of the issues and the Los Angeles R users group proceeded with further discussions.
From the HRSA website: is a database containing more than 6,000 variables for each of the nation’s counties. ARF contains information on health facilities, health professions, measures of resource scarcity, health status, economic activity, health training programs, and socioeconomic and environmental characteristics. The data file itself is formatted accordingly (from the ARF
A bug-fix release RQuantLib 0.3.6 is now on CRAN and in Debian. RQuantLib combines (some of) the quantitative analytics of QuantLib with the R statistical computing environment and language. There are only two changes to two files where an explic...
Thanks to some help from Pierre Roudier, the aqp package now has some new S4-style classes and methods-- custom tailored to the complexities of soil profile data. These new classes/methods are only available in the aqp development branch, found on our ...
I will be speaking at R/Finance 2011 in Chicago at the end of April regarding the futile.paradigm, my R language …
Statistics and Computing has received several papers on ABC and plans to make a special ABC issue out of these. All submissions prior to June 2011 that will be accepted will be published in this special issue. The special issue is identified as an article type on the on-line page. In case of questions or 
Zero Inflated Models and Generalized Linear Mixed Models with R.
Zuur, Saveliev, Ieno (2012).
