Bayesian Search TheoryThe US had a pretty big problem on their hands in 1966. Two planes had hit each other during a in-flight refueling and crashed. Normally, this would be an unfortunate thing and terrible for the families of those involved in the crash but otherwise fairly limited...
In this post I will explore public data being collected by Slate. I previously released code using a much early set of this data demonstrating how to turn this...
by Joseph Rickert I am a book person. I collect books on all sorts of subjects that interest me and consequently I have a fairly extensive collection of R...
What is the best way to read data in JSON format into R? Though really common for almost all modern online applications, JSON is not every R user's best...
Several people have asked: what scripting language should biologists learn if they are interested in doing a little larger-scale data analysis and have never programmed before? I’m not an...
I had the opportunity recently to be asked to join a committee which had to select candidates for an upcoming election. In the candidate selection phase, the members of...
Last year in my post d3 <- R with rCharts and slidify I predicted: I have a feeling that nearly every R user of lattice or ggplot2 will...
The worldwide R user conference, useR! 2014, will take in Los Angeles, June 30-July 3. If you're an R user, or just interested in learning about what R can...
Today’s email brought this one: I was wondering if I could get your opinion on a particular problem that I have run into during the reviewing process of an...
To those going to ENAR this year: Are you trying to find who’s presenting at ENAR from your department but all that pdf searching got you down? Are you...
My LondonR TalkThanks to Mango Solutions (LondonR organiser), I was given the opportunity last night to talk about my mini project ‘CrimeMap’. Instead of...
Software Carpentry is an international collaboration backed by Mozilla and the Sloan Foundation comprising a team of volunteers that teach computational competence and basic programming skills to...
In case you missed them, here are some articles from February of particular interest to R users: A statistical analysis of various forecasting methods (using R) leads to correct...
An email I received today: I have a small problem. I have a time series called x : - If I use the default values of auto.arima(x), the best...
My previous article shows an example in which data analysis requires a structured framework with R and OOP. In order to explain how to build the framework this article...
APIs present researchers with a diverse set of data sources through a standardised access mechanism: send a pasted together HTTP request, receive JSON or XML in return. Today we...
A new version of OpenCPU was released to CRAN and Launchpad. Besides some minor bugfixes, the single-user has better...
QuantLib release 1.4 came out a couple of days ago. Sticking with standard practice, I immediately updated the Debian packages I have been maintaining for over a dozen years...
Google Summer of Code opened for students on Monday, March 10, more than a month earlier than last year. If you weren’t following the announcements and that deadline caught...
Now that our ‘Learning R’ -series is coming to an end (for those who missed it, have a look at our Twitter or Facebook ), it is time to...
![where did the normalising constants go?! [part 2]](http://xianblog.files.wordpress.com/2012/03/pict0850.jpg?w=450&h=337)
Coming (swiftly and smoothly) back home after this wonderful and intense week in Banff, I hugged my loved ones, quickly unpacked, ran a washing machine, and then sat down...
The Swarm Lab presents a nice comparison of R and Python code for a simple (read ‘one could do it in Excel’) problem. The example works, but I was...
iNaturalist projects are collection of records posted on iNatualist. Now that we have a R package rinat from rOpenSci I thought of playing around with the data. Here is...
Mango Solutions invite presentations for the EARL (Effective Applications of the R Language) Conference which will be held in London on the 16-17th September 2014. The EARL Conference provides...
Has learning R been driving you a bit crazy? If so, it may be that you’re “lost in translation.” On April 21 and 23, I’ll be teaching a webinar,...
After nearly 4 years of developing googleVis on Google Code with SVN we decided to move to GitHub. The main reason was that Google stopped the facility of hosting...
It is our pleasure to once again offer the intensive R beginner level course for the third time! Beginning this Sunday, the 35 hour course will walk you through...
I want to follow up the Intraday data post with an example of how you can capture Intraday data without too much effort by recording 1 minute snapshots of...
When listening this week to several talks in Banff handling large datasets or complex likelihoods by parallelisation, splitting the posterior as and handling each term of this product on...
Plotly: collaborative, publication-quality graphing. 
