While I’m promoting things, you might also want to know that I’m doing a webcast on how to write great R code next Wednesday. It’s at 6pm British Summer Time or 10am Pacific Daylight Time. the big problem with being a data scientist is that you have ... [Read more...]

Including my hot-off-the-press Learning R. Buy two copies! http://oreil.ly/1eRrhP1 Tagged: book, deal, oreilly, r, special offer [Read more...]

by Derek McCrae Norton, Senior Sales Engineer To celebrate Talk Like a Pirate Day the best (and by far the nerdiest) way I know how, I thought I would share some R code I wrote a few years back. Some of you will really appreciate the code (but you probably ... [Read more...]

Interactive graphics are a flexible and efficient way to analyze data and to present analysis results. Interactive graphic applications offer queries, selections, highlighting or the modification of graphic parameters. In the environment of R, there are various concepts that make the creation of interactive graphics and applications possible directly out ... [Read more...]

Arrr, Mateys! Today be "Talk Like a Pirate Day", t' unofficial day o' R users everywhere. (Rrrrr!) T' celebrate this swashbucklin' day, Revolution Analytics has a bunch o' pirate bandanas, eaypatches and "I love R" T-shirts t' give away t' t' best pirate pictures posted t' t' #RPirate2013 hashtag on ... [Read more...]

This post shares the video from the talk presented in September 2013 by Johann de Boer on accessing Google Analytics using R at Melbourne R Users. In this presentation Johann will share his experience in creating his first open-source R … Continue reading → [Read more...]

MilanoR, in collaboration with Quantide, organizes "Introduction to R" Course October 23, 2013 Course description This one-day course aims to provide an overview of the basic R environment and its applications. This course is intended as a starting point for … Continue reading → [Read more...]

One area of math that I’ve always been enamored with is the proof of numbers. The simplicity of the starting …Continue reading » [Read more...]

The title of this book Informative Hypotheses somehow put me off from the start: the author, Hebert Hoijtink, seems to distinguish between informative and uninformative (deformative? disinformative?) hypotheses. Namely, something like H0: μ1=μ2=μ3=μ4 is “very informative” and the alternative Ha is completely uninformative, while the “alternative null” H1: μ1 [Read more...]

A few months ago I started listening to Tomahawk, a band described on Wikipedia as “an experimental alternative metal/alternative rock supergroup.” Beyond the quality of their music, I found myself intrigued by the musical background of their members. In addition to Tomahawk, their other bands include acclaimed groups such ... [Read more...]

[This article was first published on Rmetrics blogs, and kindly contributed to R-bloggers]. (You can report issue about the content on this page here) Want to share your [Read more...]

Today, Teradata announced the new Teradata Database 14.10 and with it some exciting news for R programmers: the first next-generation in-database R analytics that are fully parallel and scalable. In conjunction with Revolution R Enterprise, R users will soon be able to use the power of the Teradata Database as a ... [Read more...]

When I first heard of SSA (Singular Spectrum Analysis) and the EMD (Empirical Mode Decomposition) I though surely I’ve found a couple of magical methods for decomposing a time series into component parts (trend, various seasonalities, various cycles, noise). And … Continue reading → [Read more...]

One of the key tenets to doing impactful digital analysis is understanding what your visitors are trying to accomplish. One of the easiest methods to do this is by analyzing the words your visitors use to arrive on site (search keywords) and what words they are using while on the ... [Read more...]

The ideas for most of my blogs usually come from half-baked attempts to create some neat or useful feature that hasn’t been implemented in R. These ideas might come from some analysis I’ve used in my own research or from some other creation meant to save time. More ... [Read more...]

The most recent edition of the Revolution Newsletter is now available. In case you missed it, the news section is below, and you can read the full September edition (with highlights from this blog and community events) online. You can subscribe to the Revolution Newsletter to get it monthly via ... [Read more...]

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Yesterday, I had the great pleasure to speak about using R for loss reserving at the Casualty Loss Reserving Seminar in Boston. My time was spent talking about MRMR, an R package that I’ve created. Version 0.1.2 is now on CRAN, but as there are a couple of bugs, I’... [Read more...]

I’ve had several emails recently asking how to forecast daily data in R. Unless the time series is very long, the simplest approach is to simply set the frequency attribute to 7. y [Read more...]

Earlier today, I found some interesting data on Italian MPs voting records in the current parliament (which was opened last April). The data are available for both Houses (the Italian system has a lower house, called Camera $-$ effectively the same as the House of Commons in the UK $-$ ... [Read more...]