colorRampPalette is a very useful function in R for creating colors vectors to use as the palette, or to pass as an argument to a plotting function; however, a weakness lies in that it disregards the alpha channel of the colors passed to it when creating the new vector.I have also found that working with the alpha channel in...
Conrad made a first bug-fix release 4.100.2 for Armadillo, his templated C++ library for linear algebra, yesterday. See below for details on the the small set of changes.This was quickly wrapped up...
Finally, I managed to setup a GitHub repository. From now on, the latest developer snapshot of my sjPlot-package will be published right here: https://github.com/sjPlot/devel. Please post issues there, download...
Shortly after I prepared the bug-fix / maintenance release 0.3.2.0.3 of RcppEigen, the code based was updated to the recent Eigen release 3.2.1 by Doug Bates. I wrapped this up in release...
How's that fried pickle sandwich treating you? Perhaps your taste in R functions are less bizarre than your taste in R commands?Now you can easily find out using this...
The Matlab syntax for creating matrices is pretty and convenient. Here is a 2x3 matrix in Matlab syntax where , marks a new column and ; marks a new...
R-core member Peter Dalgaard announced yesterday that R 3.0.3 is now available. This is the final update to the R 3.0 series, and includes several small but handy new...
Alright, let's test some parallelization functionalities in R.The machine:MacBook Air (mid-2013) with 8 GB of RAM and the i7 CPU (Intel i7 Haswell 4650U). This CPU is hyper-threaded, meaning (at...
To the R users based in the Philippines, there will be upcoming meetup, here are the details:topics: Markov Switching Models in R by Ohly Santos ...
![Advances in scalable Bayesian computation [day #4]](http://xianblog.files.wordpress.com/2012/03/dscn2538.jpg?w=450&h=253)
Final day of our workshop Advances in Scalable Bayesian Computation already, since tomorrow morning is an open research time ½ day! Another “perfect day in paradise”, with the Banff Centre...
My latest update to The Popularity of Data Analysis Software is an attempt to use blog counts to estimate the popularity of analytics software. While I was able to...
I’ve written before about importing tabular text files into R, and here comes some more. This is because I believe (firmly) that importing data is the major challenge for...
How safe is Mexico? That is a frequent question people ask me. There is even website about it (see this blog post). So I’ve decided it was time to go...
by Joseph Rickert In addition to the considerable benefit of being able to meet other, like-minded R users face-to-face, R user groups fill a niche in the world of...
Dear R users, I am happy to officially announce a new website called R-users.com. The idea of the site is that community members will invite other R users to...
Within 2 weeks on Thursday, March 20, The RBelgium R user group is holding its next Regular meeting in Brussels for which this is the schedule:** Analysis and visualisation...
I have developed the “installr” package in order to help people who use Windows to easily update R on their machine. The package: 1) Tests if a newer version...
We have now gone over the midpoint of our workshop Advances in Scalable Bayesian Computation with three talks in the morning and an open research or open air afternoon....
Datasets come sometimes with predictors that take an unique value across samples. Such uninformative predictor is more common than you might think. This kind of predictor is not only...
I teach some introductory stats classes with SPSS, and one of the frustrations for me is that you have to pay an extra wad of cash to do any...
And here is the second day of our workshop Advances in Scalable Bayesian Computation gone! This time, it sounded like the “main” theme was about brains… In fact, Simon...
The latest slides from web scraping through R: Web scraping for the humanities and social sciencesSlides from the first session hereSlides from the second session hereThis week we look...
This is another situation where Fourier terms are useful for handling the seasonality. Not only is the seasonal period rather long, it is non-integer (averaging 365.25/7 = 52.18). So...
The release date for Zumel, Mount “Practical Data Science with R” is getting close. I thought I would share a few statistics about what goes into this kind of...
Aspinalls Group ——————- Aspinalls is a specialist financial planning practice committed to providing highly personalised service to private clients and their families. Our technical expertise, allied to more than...
Two items of post from utility companies that recently dropped through our door included little graphics. There was a degree of innovation in them both. The first, from British Gas,...
by Rodney Sparapani, PhD Rodney is an Assistant Professor in the Institute for Health and Society from the Division of Biostatistics at the Medical College of Wisconsin in Milwaukee...
The Star Puzzle is a puzzle presented on The Math Forum. I became aware of this problem by noticing the article and solution posted on Quantitative Decisions article section....
This was the first day of our workshop Advances in Scalable Bayesian Computation and it sounded like the “main” theme was probabilistic programming, in tune with my book review...
Plotly: collaborative, publication-quality graphing. 
