Blog Archives

What Hadley Wickham uses

October 30, 2013
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You know Hadley Wickham as the inventor of the ggplot2 visualization phenomenon, the creator of time-saving R packages like plyr and lubridate, and the Chief Scientist at RStudio. But do you know what laptop Hadley uses, what software he uses (besides, R, of course), or his favourite kitchen appliance? Find out Hadley's interview with The Setup. (Also check out...

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Video: Revolution R Enterprise 7 interview on theCUBE

October 29, 2013
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I'm in New York City for the Strata + Hadoop World conference, and last night I got the chance to stop by theCUBE for an live interview about Revolution R Enterprise 7. You can watch the full interview below, or click the links on the topics to skip ahead. Many thanks to Dave Vellante of Wikibon and John Furrier...

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Introducing Revolution R Enterprise 7

October 28, 2013
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We're very excited to formally announce that Revolution R Enterprise 7 is here! This release includes the latest release of Open Source R (R 3.0.2). It brings R and the massively-parallel R functions from Revolution Analytics to Cloudera and Hortonworks in-Hadoop, and in-database on Teradata. It also brings a new drag-and-drop user interface via integration with Alteryx, and a...

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How to switch from spreadsheets to R for data analysis

October 25, 2013
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To take a spreadsheet beyond what it's designed for — data presentation, summarization and simple calculations — into the world of complex data analysis can be an alluring prospect. But it can also be dangerous: consider these examples of spreadsheet errors that led to monumental financial losses, mistaken government policies, and even the wrong drugs being given to cancer...

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Customize your R session with .Rprofile

October 23, 2013
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The .Rprofile file is a great way to customize your R session every time you start it up. You can use it to change R's defaults, define handy command-line functions, automatically load your favourite packages — anything you like! The Getting Genetics Blog has a nice example .Rprofile file to give you some inspiration on what to do. One...

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An introduction to Econometrics, using R

October 22, 2013
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If your econometrics is a bit rusty and you're also looking to learn the R language, you can kill two birds with one stone with Introductory Econometrics using Quandl and R. The first three parts of this seven-part tutorial introduces the basics of regression analysis, while the remaining sections provide R code you can try yourself to reproduce econometric...

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Video: Time-to-event models

October 21, 2013
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If you're trying to predict when an event will occur (for example, a consumer buying a product) or trying to infer why events occur (what were the factors that led to a component failing?), time-to-event models are a useful framework. These models are closely related to survival analysis in life sciences, except that the outcome of interest isn't "time...

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Forbes on putting R-based analytics in the hands of business analysts

October 18, 2013
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Forbes on putting R-based analytics in the hands of business analysts

Forbes has published an article today on the integration between Alteryx and Revolution R Enterprise, which gives business analysts the ability to drag and drop to connect data sources to R-based models, such as this one for Market Basket analysis: (Experienced R users can always drill down to see the code behind the analysis, as you can see in...

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Fantasy Football Modeling with R

October 16, 2013
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Fantasy Football Modeling with R

Boris Chen, a data scientist for the New York Times, has been running since August a weekly blog with statistical analysis of NFL players, as fodder for Fantasy Football players around the country. Here's how he describes what he does: My model pulls aggregated expert rankings from fantasypros, and I pass that data into a machine learning clustering algorithm...

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R usage skyrocketing: Rexer poll

October 15, 2013
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R usage skyrocketing: Rexer poll

Rexer Analytics has been conducting regular polls of data miners and analytics professionals on their software choices since 2007, and the results of the 2013 Rexer Analytics Data Miner Survey were presented at last month's Predictive Analytics World conference in Boston. Here are some highlights of the responses from the 1,039 non-vendor participants. (You can request a free copy...

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