2183 search results for "map"

See R integrated with QlikView, Jaspersoft, Excel, and mobile apps

May 9, 2012
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In yesterday's webinar, Revolution Analytics CTO David Champagne demonstrated how to integrate statistical graphics and analytic computations created using R software with a variety of third-party applications. In each case Revolution R Enterprise Server is running as a compute server to the client application, with R scripts launched on each user interaction via the RevoDeployR Web Services API. David...

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Use R! – Part 2

May 9, 2012
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Use R! – Part 2

Here is a follow-up of my first post about using R. For our yearly KU Leuven Geology PhD Seminar (08-09/05/2012), I quickly pasted this script together from several examples I had run into in the past, as well as some things that I have been doing myse...

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Heartbeat of a Cycling City: Bixi data at Hack/Reduce

May 8, 2012
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Heartbeat of a Cycling City: Bixi data at Hack/Reduce

The recent Hack/Reduce hackathon in Montreal was a tonne of fun. Our team tackled a data set of consisting of Bixi (Montreal’s bicycle share system) station states at one minute temporal resolution. We used Hadoop and mapreduce to pull out some features of user behaviours. One of the things we extracted was the flux at

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PubMed publications in 2011 by 202 world countries: who’s the winner?

May 7, 2012
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PubMed publications in 2011 by 202 world countries: who’s the winner?

Which country had the most PubMed citations in 2011? To find out I used R statistical software to analyze the affiliation of 986 427 articles.

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playitbyr 0.2-1: data through sound, now with layers, facets, and more pleasure

May 6, 2012
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The recent Sonification Handbook has a chapter devoted to exploratory data analysis using sound. With some help from Sam Ferguson, one of the chapter's authors, I've made it easy to implement those techniques using R with playitbyr.

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R, now a major programming language, sees a 127% growth in book sales

May 4, 2012
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R, now a major programming language, sees a 127% growth in book sales

O'Reilly Radar tracks technology adoption via its annual "State of the Computer Book Market" report. In the latest report of 2011 book sales (amongst all publishers), books about R show a 127% increase in 2011 over 2010: As a language specifically for data analysis, R isn't in the same league in raw sales as general-purpose languages like C++ or...

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Big Data Analytics with R and Hadoop

May 3, 2012
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The open-source RHadoop project makes it easier to extract data from Hadoop for analysis with R, and to run R within the nodes of the Hadoop cluster -- essentially, to transform Hadoop into a massively-parallel statistical computing cluster based on R. In yesterday's webinar (the replay of which is embedded below), Data scientist and RHadoop project lead Antonio Piccolboni...

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Big Data, R and SAP HANA: Analyze 200 Million Data Points and Later Visualize in HTML5 Using D3 – Part III

May 2, 2012
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Big Data, R and SAP HANA: Analyze 200 Million Data Points and Later Visualize in HTML5 Using D3 – Part III

Mash-up Airlines Performance Data with Historical Weather Data to Pinpoint Weather Related DelaysFor this exercise, I combined following four separate blogs that I did on BigData, R and SAP HANA.  Historical airlines and weather dat...

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Measuring time series characteristics

May 2, 2012
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Measuring time series characteristics

A few years ago, I was working on a project where we measured various characteristics of a time series and used the information to determine what forecasting method to apply or how to cluster the time series into meaningful groups. The two main papers to come out of that project were: Wang, Smith and Hyndman (2006) Characteristic-​​based clustering for...

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Next Kölner R User Meeting: 6 July 2012

May 1, 2012
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Next Kölner R User Meeting: 6 July 2012

The next Cologne R user group meeting is scheduled for 6 July 2012. All details are available on the new KölnRUG Meetup site. Please sign up if you would like to come along, and notice that there is also pub poll for the after "work" drinks. Notes fr...

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