2004 search results for "Map"

dcemriS4 0.40

November 18, 2010
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dcemriS4 0.40

The R package dcemriS4 is a collection of functions, with examples and documentation, that allows one to perform voxel-wise quantitative analysis of dynamic contrast-enhanced MRI (DCE-MRI) or diffusion-weighted imaging (DWI) data.  The primary...

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Wanted: R hackers for Revolution

November 17, 2010
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Revolution Analytics is growing, and we're looking for some skilled R Hackers to work in our pre-Sales team. A big part of our task is showing companies how R is such a great tool for modern data analysis (especially compared to those older tools with 3- or 4-letter acronyms). So if you have a knack for applying R to...

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Data Science meets Humanities

November 16, 2010
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There's an interesting article in the NYT today about the emerging discipline of "digital humanities": extracting digital data from historical archives to answer questions from the Arts and Humanities. From the article: Members of a new generation of digitally savvy humanists argue it is time to stop looking for inspiration in the next political or philosophical “ism” and start...

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In case you missed it: October Roundup

November 16, 2010
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In case you missed them, here are some articles from October of particular interest to R users. Reviews of the winners and finalists of the 2010 ggplot2 case study competition. We have published a new article "R is Hot", with interviews from a dozen R users in industry and academia. A new code highlighting tool for displaying R code...

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Isarithmic History of the Two-Party Vote

November 15, 2010
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Isarithmic History of the Two-Party Vote

A few weeks ago, I shared a series of choropleth maps of U.S. presidential election returns, illustrating the relative support for Democratic, Republican, and third Party candidates since 1920. The granularity of these county level results led me to wonder whether it would be possible to develop an isarithmic map of presidential voting using the … Read more

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My Day at ACM Data Mining Camp III

November 13, 2010
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My Day at ACM Data Mining Camp III

My first time at ACM Data Mining Camp was so awesome, that I was thrilled the make the trip up to San Jose for the November 2010 version. In July, I gave a talk at the Emerging Technologies for Online Learning Symposium conference with a faculty member in the Department of Statistics, at the Fairmont. The place was amazing,...

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Risk-Opportunity Analysis

November 12, 2010
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Risk-Opportunity Analysis

I will be attending Ralph Vince's risk-opportunity analysis workshop in Tampa this weekend.  Drop me a note if you're in the area and would like to meet for coffee / drinks.

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Forecast estimation, evaluation and transformation

November 9, 2010
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Forecast estimation, evaluation and transformation

I’ve had a few emails lately about forecast evaluation and estimation criteria. Here is one I received today, along with some comments. I have a rather simple question regarding the use of MSE as opposed to MAD and MAPE. If the parameters of a time series model are estimated by minimizing MSE, why do we

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Computational position in Texas

November 8, 2010
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Computational position in Texas

José Bernardo forwaded this announcement that sounds quite attractive (conditional upon living in a remote part of Texas!) Senior Faculty Position in Computational Statistics At Texas A&M University As part of a recognition of the increasing importance in the modeling and computational sciences, the Department of Statistics at Texas A&M University is recruiting for a

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Using R and Hadoop to analyze VOIP data

November 8, 2010
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Last month, the newest member of Revolution's engineering team, Saptarshi Guha, gave a presentation at Hadoop World 2010 on using R and Hadoop to analyze 1.3 billion voice-over-IP packets to identify calls and measure call quality. Saptarshi, of course, is the author of RHIPE, which lets R programmers write map-reduce algorithms in the Hadoop framework without needing to learn...

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