2256 search results for "Map"

A simple web application using Rook

December 21, 2012
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A simple web application using Rook

by Ben Ogorek I'm grateful to Rook for helping me, a simple statistician, learn a few fundamentals of web technology. For R web application development, there are increasingly polished methods available (most notably Shiny ), but you can build one...

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Visualising Tourism Data using R with googleVis package

December 20, 2012
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Visualising Tourism Data using R with googleVis package

Inspired by Mages’s post on Accessing and plotting World bank data with R (using googleVis package), I created one visualising tourism receipts and international tourist  arrivals of various countries since 1995. The data used are from the World Bank’s country indicators. To see the motion chart, double click a picture below.  Code Filed under: R, Tourism

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R Journal Volume 4, Issue 2

December 20, 2012
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The latest issue of the bi-annual, peer-reviewed journal about R, the R Journal, is now available for download. This issue includes three articles on graphics from R-core member and R Graphics author Paul Murrell. He writes about accessing individual elements of an R chart by the component names, drawing complex symbols with the polypath function (useful for map icons,...

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Geocoding location data with dismo

December 20, 2012
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Geocoding location data with dismo

Today’s Gist could actually end up being very useful to a number of you. It’s something of a trumped-up example, but it illustrates in very simple code how to do three interesting things: Gather Tweets by search term (which we’ve done before), and look up user info for each of the users returned by that search. Convert textual user...

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Even more Microsoft Postdocs

December 18, 2012
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Even more Microsoft Postdocs

Microsoft Research NYC seeks outstanding applicants for 2-year postdoctoral researcher positions. We welcome applicants with a strong academic record in one of the following areas: * Computational social science: http://research.microsoft.com/cssnyc * Online experimental social science: http://research.microsoft.com/oess_nyc * Algorithmic economics and market design: http://research.microsoft.com/algorithmic-economics/ * Machine learning: http://research.microsoft.com/mlnyc/ The post Even more Microsoft Postdocs appeared first on Decision Science News.

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NHS Winter Situation Reports: Shiny Viewer v2

December 18, 2012
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NHS Winter Situation Reports: Shiny Viewer v2

Having got my NHS Winter sitrep data scraper into shape (I think!), and dabbled with a quick Shiny demo using the R/Shiny library, I thought I’d tidy it up a little over the weekend and long the way learn a few new presentation tricks. To quickly recap the data availability, the NHS publish a weekly

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Differential Isoform Expression With RNA-Seq: Are We Really There Yet?

December 17, 2012
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Differential Isoform Expression With RNA-Seq: Are We Really There Yet?

In case you missed it, a new paper was published in Nature Biotechnology on a method for detecting isoform-level differential expression with RNA-seq Data:Trapnell, Cole, et al. "Differential analysis of gene regulation at transcript resolution with RN...

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The Eye of the World as word cloud

December 16, 2012
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The Eye of the World as word cloud

The Eye of the World is the first book of Robert Jordan's Wheel of Time books. As the last of these books will be published soon, I was wondering if natural language processing can be used to examine books like these. For this purpose I downloaded a co...

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Multisite, multivariate genetic analysis: simulation and analysis

December 13, 2012
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Multisite, multivariate genetic analysis: simulation and analysis

The email wasn’t a challenge but a simple question: Is it possible to run a multivariate analysis in multiple sites? I was going to answer yes, of course, and leave it there but it would be a cruel, non-satisfying answer. … Continue reading →

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Trading with SVMs: Performance

December 13, 2012
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Trading with SVMs: Performance

To get a feeling of SVM performance in trading, I run different setups on the S&P 500 historical data from … the 50s. The main motif behind using this decade was to decide what parameters to vary and what to keep steady prior to running the most important tests. Treat it as an “in-sample” test

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