Model Segmentation with Recursive Partitioning

October 26, 2014
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Model Segmentation with Recursive Partitioning

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Call for participation: AusDM 2014, Brisbane, 27-28 November

October 25, 2014
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Call for participation: AusDM 2014, Brisbane, 27-28 November

********************************************************* 12th Australasian Data Mining Conference (AusDM 2014) Brisbane, Australia 27-28 November 2014 http://ausdm14.ausdm.org/ ********************************************************* The Australasian Data Mining Conference has established itself as the premier Australasian meeting for...

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What are the chances of Dilma tomorrow?

October 25, 2014
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What are the chances of Dilma tomorrow?

Although polling data are the most common source in an electoral campaign, there are also models that use prediction markets data (trade contracts flow) as the source of information...

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RSQLite 1.0.0

October 25, 2014
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RSQLite 1.0.0

I’m very pleased to announce a new version of RSQLite 1.0.0. RSQLite is the easiest way to use SQL database from R: library(DBI) # Create an ephemeral in-memory RSQLite...

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Hungarian RUG guest speakers: Romain Francois and Matt Dowle

October 25, 2014
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Hungarian RUG guest speakers: Romain Francois and Matt Dowle

The Budapest Users of R Network, which is the only one active Hungarian R User Group so far, was founded a bit more than a year ago,...

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jsonlite 0.9.13: high performance number formatting

October 24, 2014
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jsonlite 0.9.13: high performance number formatting

The jsonlite package implements a robust, high performance JSON parser and generator for R, optimized for statistical data and the web....

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Rocker: Docker containers for R

October 24, 2014
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If you haven't heard the buzz about Docker but you often need to spin up Linux-based VM's for testing, simulations, etc. then you should check it out. In short,...

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Simple Probs

October 24, 2014
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Simple Probs

Somebody said me that it'd be really nice to see a posting with simple simulations for the runoff this weekend. Answering such a call, this is the best I...

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R and RStudio incompatibility with Yosemite Mac OS X 10.10

October 23, 2014
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There is currently a bug (or feature?) in the current version of Yosemite (OS X 10.10) that messes with the passing of environmental variables to programs launched from Finder...

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How to Download and Run R Scripts from this Site

October 23, 2014
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This post outlines how to download and run R scripts from this website.  We have many Fantasy Football scripts that show how to download and calculate fantasy projections, determine the riskiness of a player, identify...

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‘Open sourcing’ microsimulation with R

October 23, 2014
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‘Open sourcing’ microsimulation with R

These are the slides from a presentation today at the European conference of the IMA, held in Maastricht, 23rd to 24th October, 2014. Microsimulation, as its name suggests, is...

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Generating secure random numbers with openssl

October 23, 2014
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Generating secure random numbers with openssl

I started working on a new R package with bindings for OpenSSL. The initial release is now available from CRAN. To install the...

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Feller’s shoes and Rasmus’ socks [well, Karl's actually...]

October 23, 2014
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Feller’s shoes and Rasmus’ socks [well, Karl's actually...]

Yesterday, Rasmus Bååth posted a very nice blog using ABC to derive the posterior distribution of the total number of socks in the laundry when only...

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sjPlot 1.6 – major revisions, anyone for beta testing? #rstats

October 23, 2014
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sjPlot 1.6 – major revisions, anyone for beta testing? #rstats

In the last couple of weeks I have rewritten some core parts of my sjPlot-package and also revised the package- and online documentation. Most notably are the changes that...

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Happening just now… 6th Conference of the R Spanish User Community

October 23, 2014
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Happening just now… 6th Conference of the R Spanish User Community

The R-Spain Conferences have been taking place since 2009 as an expression of the growing interest that R elicits in many fileds. The organisers are the Comunidad R Hispano...

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Introducing Rocker: Docker for R

October 23, 2014
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You only know two things about Docker. First, it uses Linuxcontainers. Second, the Internet won't shut up about it. -- attributed to Solomon Hykes, Docker CEO So what is Docker? Docker...

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A first look at Distributed R

October 23, 2014
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A first look at Distributed R

by Joseph Rickert One of the most interesting R related presentations at last week’s Strata Hadoop World Conference in New York City was the session on Distributed R by...

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Making an R Package to use the HERE geocode API

October 23, 2014
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HERE is a product by Nokia, formerly called Nokia maps and before that, Ovi maps. It's the result of the acquisition of NAVTEQ in 2007 combined with...

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Extending methylKit : Extract promoters with differentially methylated CpGs

October 23, 2014
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Extending methylKit : Extract promoters with differentially methylated CpGs

In my previous post, I wrote about the features of methylKit. Here, I will discuss how to extend bisulfite sequencing data analysis beyond methylKit.Annotation is an important feature of...

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Leveraging R for Econ Job Market

October 23, 2014
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Leveraging R for Econ Job Market

I wanted to describe a little helper I am using to help refine the places I want to apply at since I am going to be on the Economics...

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Introducing Rocker: Docker for R

October 23, 2014
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Introducing Rocker: Docker for R

You only know two things about Docker. First, it uses Linux containers. Second, the Internet won't shut up about it. -- attributed to Solomon Hykes, Docker CEO So what is...

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Why is my OS X Yosemite install taking so long?: an analysis

Why is my OS X Yosemite install taking so long?: an analysis

Why? Since the latest Mac OS X update, 10.10 "Yosemite", was released last Thursday, there have been complaints springing up online of the progress bar woefully underestimating the actual...

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simmer 2.0: a performance boost & revised syntax

October 22, 2014
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simmer 2.0: a performance boost & revised syntax

It was very clear that the performance of the first simmer version was lagging behind. The 2.0 release introduces a C++ based engine and comes with a significant performance...

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Postive Feedback in R with a Little Javascript

October 22, 2014
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Postive Feedback in R with a Little Javascript

Let’s face it, sometimes the struggle in R can become frustrating, depressing, daunting, or just monotonous.  For those moments when you need a little positive feedback, some encouragement, or...

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Stan 2.5, now with MATLAB, Julia, and ODEs

October 22, 2014
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Stan 2.5, now with MATLAB, Julia, and ODEs

As usual, you can find everything on the Stan Home Page. Drop us a line on the stan-users group if you have problems with installs or questions about Stan...

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New BayesFactor version 0.9.9 released to CRAN

October 22, 2014
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Today I submitted a new release of BayesFactor, version 0.9.9, to CRAN. Among the new features are support for contingency table analyses, via the function contingencyTableBF, and analysis of...

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translate2R: Migrate SPSS scripts to R at the push of a button

October 22, 2014
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translate2R: Migrate SPSS scripts to R at the push of a button

After their presentation at the international “user!” conference, data analysis specialist eoda starts the public alpha testing of translate2R. With the start of alpha testing the innovative migration solution...

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How the MKL speeds up Revolution R Open

October 22, 2014
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How the MKL speeds up Revolution R Open

by Andrie de Vries Last week we announced the availability of Revolution R Open, an enhanced distribution of R. One of the enhancements is the inclusion of high performance...

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Prediction intervals too narrow

October 21, 2014
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Prediction intervals too narrow

Almost all prediction intervals from time series models are too narrow. This is a well-known phenomenon and arises because they do not account for all sources of uncertainty. In...

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