The latest polls just released tonight are suggesting a numerical tie between Dilma Rousseff (PT) and Aecio Neves (PSDB) considering the limit of the margin of error. Actually, these polls fired up a possible game-changing for the opposition over the government as some of the polls did capture any impact ... [Read more...]

********************************************************* 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 both practitioners and researchers in data mining. Since AusDM’02 the conference … Continue reading → [Read more...]

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 about who is going to win the election. What is the best way of predicting an election is up to debate, ... [Read more...]

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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, Docker rocks: we use it for testing our Linux-based distros of Revolution R Open. If you want to use R and ... [Read more...]

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 could come up with. The following is a highly simplified simulation that does not account for time trends nor for house ... [Read more...]

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 (as pointed out by Adam Maxwell). Notably, this means that PATH variables are not passed properly to R.app or RStudio.app. ... [Read more...]

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 sleepers,[...] The post How to Download and Run R Scripts from this Site appeared first ... [Read more...]

Days ago a study says that Santiago, city where I live, has one of the best public transport system in LATAM (WAT?! define best please!). So I've search for some information and I found this. Anyway I tried to find some related data/gtfs/information to work/play and I ... [Read more...]

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 about modelling things at the individual-level. In practice, this usually means estimating the characteristics of people using statistical or econometric techniques. Microsimulation, ... [Read more...]

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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 affect theming and appearance of plots and figures. There’s a new function called sjp.setTheme which now sets theme-options for ... [Read more...]

LaTeX lets you create lovely, complex mathematical functions from typed text. Plotly will render LaTeX in annotations, labels, and titles. In this post, we’ll show how it works. 1. MATLAB plotting with LaTeX First, here’s an example using Plotly’s MATLAB API. This is a visualization of Bessel Functions ... [Read more...]

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 (R-es). The community supports many groups and initiatives aimed to develop … Sigue leyendo → [Read more...]

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 is a relatively new open source application and service, which is seeing interest across a number of areas. It ... [Read more...]

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 Sunil Venkayala and Indrajit Roy, both of HP Labs. In short, Distributed R is an open source project with the ... [Read more...]