Blog Archives

Fast parallel computing with Intel Phi coprocessors

May 19, 2015
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Fast parallel computing with Intel Phi coprocessors

by Andrew Ekstrom Recovering physicist, applied mathematician and graduate student in applied Stats and systems engineering We know that R is a great system for performing statistical analysis. The price is quite nice too ;-) . As a graduate student, I need a cheap replacement for Matlab and/or Maple. Well, R can do that too. I’m running a large...

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A first look at htmlwidgets

May 14, 2015
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by Joseph Rickert A strong case can be made that base R graphics supplemented with either the lattice library or ggplot2 for plotting by subgroups provides everything a statistician might need for both exploratory data analysis and for developing clear, crisp for communicating results. However, it is abundantly clear that web based graphics, driven to a large extent by...

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Using Azure as an R data source, Part 1

May 12, 2015
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Using Azure as an R data source, Part 1

by Gregory Vandenbrouck Software Engineer at Microsoft This post is the first in a series that covers pulling data from various Windows Azure hosted storage solutions (such as MySQL, or Microsoft SQL Server) to an R client on Windows or Linux. We’ll start with a relatively simple case of pulling data from SQL Azure to an R client on...

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Digging up embedded plots

May 7, 2015
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Digging up embedded plots

by Joseph Rickert The following multi-panel graph, which graces the cover of the most recent issue of the Journal of Computational and Graphical Statistics ,JCGS, (Vol 24, Num 1, March 2015) is from the paper by Grolemund and Wickham entitled Visualizing Complex Data With Embedded Plots. The four plots are noteworthy for a couple or reasons: They present superb...

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Data Science in HR

May 5, 2015
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Data Science in HR

by Joseph Rickert Last year in a post on interesting R topics presented at the JSM I described how data scientists in Google's human resources department were using R and predictive analytics to better understand the characteristics of its workforce. Google may very well have done the pioneering work, but predictive analytics for HR applications is going mainstream. In...

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The First NY R Conference

April 30, 2015
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The First NY R Conference

by Joseph Rickert Last Friday and Saturday the NY R Conference briefly lit up Manhattan's Union Square neighborhood as the center of the R world. You may have caught some of the glow on twitter. Jared Lander, volunteers from the New York Open Statistical Programming Meetup along with the staff at Workbench (the conference venue) set the bar pretty...

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The new science journalism and open science

April 23, 2015
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by Joseph Rickert The New York Times is quietly changing the practice of science journalism. The Tuesday April 21, 2015 article: Ebola Lying in Wait, reports on "A growing body of scientific clues - some ambiguous, other substantive" that the Ebola virus may have lain dormant in West African rain forest for years before igniting last year's outbreak. In...

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R for more powerful clustering

April 21, 2015
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R for more powerful clustering

by Vidisha Vachharajani Freelance Statistical Consultant R showcases several useful clustering tools, but the one that seems particularly powerful is the marriage of hierarchical clustering with a visual display of its results in a heatmap. The term “heatmap” is often confusing, making most wonder – which is it? A "colorful visual representation of data in a matrix" or "a...

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R User Group Meetings this week in the Bay Area and around the world

April 16, 2015
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R User Group Meetings this week in the Bay Area and around the world

by Joseph Rickert Tracking R user group meetings is a good way to stay informed about what's happening in the R world. On Tuesday the Bay Area useR Group (BARUG) met at AdRoll in San Francisco. It was a mini-conference with 6 talks: Bryan Galvin our host at AdRoll (many thanks for the pizza and beer) kicked off the...

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RPowerLabs: Electric power system virtual laboratories online

April 14, 2015
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RPowerLabs: Electric power system virtual laboratories online

by Ben Ubah Founder, RPowerLabs No disregard to R's colleagues, R is pioneering the creation of online virtual electric power system laboratories via RPowerLABS. RPowerLABS is a project, with the vision of deploying online, a vast array of highly demanded power system simulations for teaching and research using R. It started as an attempt to apply R to electric...

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