by Bill Jacobs, VP Product Marketing, Revolution Analytics I had a most interesting exchange with an industry analysis firm recently who suggested that application marketplaces were critical to the success of analytical tools, suggesting that Revolution Analytics was remiss in not creating one. I must say, I was taken aback ... [Read more...]

In prior posts, I demonstrated how to download projections from numerous sources, calculate custom projections for your league, and compare the accuracy of different sources of projections (2013, 2014).  In[...] The post Who Has the Best Fantasy Football Projections? 2015 Update appeared first on Fantasy Football Analytics. [Read more...]

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Recently, I received a copy of a new econometrics book, Applied Nonparametric Econometrics, by Daniel Henderson and Christopher Parmeter.The title is pretty self-explanatory and, as you'd expect with any book published by CUP, this is a high-quality item.The book's Introduction begins as follows:"The goal of this book ... [Read more...]

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by Joseph Rickert For the past few years, the Strata + Hadoop World Conference in San Jose has kicked off my personal conference season. With its focus on Data Science, Strata always seems to present some interesting R related talks, and I am looking forward to the various events over the ... [Read more...]

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CRAN mirrors are the backbone to everyday common R usage. They provide the R website and most of the R packages today. Currently there are about 104 official CRAN mirrors. Hosting a CRAN mirror is one step to help the R community and is explained here. To ease that process, at ... [Read more...]

By Liz Matthews – Marketing and Events, UK. There are over 150 R user groups currently running across the globe. From Chiang Mai to Kansas and Melbourne to Cracow, R enthusiasts meet to discuss, share and promote the usage of R. … Continue reading → [Read more...]

When playing with Peter Rossi’s bayesm R package during a visit of Jean-Michel Marin to Paris, last week, we came up with the above Gibbs outcome. The setting is a Gaussian mixture model with three components in dimension 5 and the prior distributions are standard conjugate. In this case, with 500 ... [Read more...]

Rborist, the R package version of the Arborist decision-tree utility, is now available from CRAN. Version 0-1.0 is the initial release. The Arborist implements the Random Forest algorithm with an emphasis on performance and extensibility. Particula... [Read more...]

by Andrie de Vries During October 2014 we announced RRT (the Reproducible R Toolkit) that consists of the checkpoint package and the MRAN. In January, David Smith followed up with another post about reproducibility using Revolution R Open. Since then, we've had several requests for new features and enhancements. The development ... [Read more...]

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Although it is reasonable that R scripts get opened in edit mode by default, it would be even nicer (once in a while) to run them with a simple double-click. Well, here we go ... Choosing a new file extension name (.Rexec) First, we have to think about a new file ... [Read more...]

Follow Email Last week I posted about an orphaned paper of mine, a piece of research that hasn’t yet found a home and which I’m unlikely to find further time to work on. Abandoning something that you’ve worked hard on is disappointing and so it made sense ... [Read more...]

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On March 20, Thomas Lumley, the creator of the R Package “Survey”, will give an online course (in statistics.com) titled “Survey Analysis in R” The [Read more...]

George Zipf popularized an idea—Zipf’s Law—that approximates populations of cities, distribution of money in counties, and how frequently words are used. Nobel Prize-winning columnist Paul Krugmans wrote of Zipf’s Law that “the usual complaint about economic theory is that our models are oversimplified — that they offer ... [Read more...]

A few years ago, I wrote a short guide to Using R and snow on the Ohio Supercomputer Center’s Glenn cluster. Several things have changed in the world of R since then (namely, the inclusion of the parallel package into … Continue reading → [Read more...]

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