Monthly Archives: June 2013

Job openings at conservative political analytics firm!

June 21, 2013
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Job openings at conservative political analytics firm!

After posting that announcement about Civis Analytics, I wrote, “If a reconstituted Romney Analytics team is hiring, let me know and I’ll post that ad too.” Adam Schaeffer obliged: Not sure about Romney’s team, but Evolving Strategies is looking for sharp folks who lean right: Evolving Strategies is a political communications research firm specializing in The post Job...

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Disposable Visual Data Explorers with Shiny – Guardian University Tables 2014

June 21, 2013
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Disposable Visual Data Explorers with Shiny – Guardian University Tables 2014

Have data – now what? Building your own interactive data explorer need not be a chore with the R shiny library… Here’s a quick walkthrough… In Datagrabbing Commonly Formatted Sheets from a Google Spreadsheet – Guardian 2014 University Guide Data, I showed how to grab some data from several dozen commonly formatted sheets in a

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ggplot Tutorial

June 21, 2013
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ggplot Tutorial

ggplot Tutorial I liked the following ggplot2 tutorial which is featured in Gabriela de Queiroz’s blog called unbiasedestimator. The tutorial looks very neatly presented and I’m sure that it will be very helpful to anyone just getting started with ggplot2 before they jump into ggplot2: Elegant Graphics for Data Analysis by Hadley Wickham or R Graphics Cookbook by...

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Put some cushions on the sofa

June 21, 2013
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I posted earlier this week about sofa (here), introducing a package I started recently that interacts with CouchDB from R. There's been a fair amount of response at least in terms of page views, so I'll take that as a sign to keep going.One thing that would be nice while you are CouchDB-ing is to interact with local...

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Put some cushions on the sofa

June 21, 2013
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I posted earlier this week about sofa (here), introducing a package I started recently that interacts with CouchDB from R. There's been a fair amount of response at least in terms of page views, so I'll take that as a sign to keep going.One thing that would be nice while you are CouchDB-ing is to interact with local...

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The PISA2009lite package is released

June 20, 2013
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The PISA2009lite package is released

This post introduces a new R package named PISA2009lite. I will show how to install this package, what is inside and how to use it. Introduction PISA (Programme for International Student Assessment) is a worldwide study focused on measuring performance of 15-year-old school pupils. More precisely, scholastic performance on mathematics, science and reading is measured

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Measuring Associations

June 20, 2013
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Measuring Associations

In Chapter 18, we discuss a relatively new method for measuring predictor importance called the maximal information coefficient (MIC). The original paper is by Reshef at al (2011).A summary of the initial reactions to the MIC are Speed and Tibshirani (and others can be found here). My (minor) beef with it is the lack...

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Upcoming Rcpp talk in Sydney

June 20, 2013
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The Sydney Users of R Forum (SURF) will be hosting me for a talk on July 10. The focus will be Rcpp for R and C++ integration, and the intent is to have this be really applied with lots of motivating examples.Organizers Louise and Eugene were able...

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Quickly read Excel (xlsx) worksheets into R on any platform

June 20, 2013
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I wrote a couple days about about importing Excel files into R. There are lots of ways to do this, but all the ways that use only R have drawbacks (as I outlined in my last post), and all the other ways require installation of programs other than R. I’m not opposed to using programs

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Huge interest in next LondonR user group meeting

June 20, 2013
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The next LondonR meeting takes place on the 16 July and registrations have already exceeded 200. Presentations at the meeting will be made by Rich Pugh of Mango Solutions, Andrie de Vries of Revolution Analytics and Hadley Wickham of RStudio. All places for a  pre-meeting workshop with Hadley Wickham were snapped up within 2 days of announcing the details. More information...

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