Blog Archives

Who will win the World Cup and which prediction model?

June 17, 2014
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Who will win the World Cup and which prediction model?

The World Cup has finally kicked off last Thursday and I have seen some fantastic games already. Perhaps the Netherlands appears to be the strongest side so far, following their 5-1 victory over Spain. To me the question is not only which country will win the World Cup, but also which prediction model will come closest to the...

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The joy of joining data.tables

June 9, 2014
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The joy of joining data.tables

The example I present here is a little silly, yet it illustrates how to join tables with data.table in R. Mapping old data to new dataCategories in general are never fixed, they always change at some point. And then the trouble starts with the data. For example not that long ago we didn't distinguish between smartphones and dumbphones,...

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Early bird registration for R in Insurance ends tomorrow

May 29, 2014
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Early bird registration for R in Insurance ends tomorrow

The early bird registration offer for the 2nd R in Insurance conference, 14 July 2014, at Cass Business School ends tomorrow.This one-day conference will focus once more on applications in insurance and actuarial science that use R, the lingua franca f...

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Notes from the Kölner R meeting, 23 May 2014

May 27, 2014
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Notes from the Kölner R meeting, 23 May 2014

The 10th Kölner R user meeting took place last Friday at the Institute of Sociology and to celebrate the anniversary we invited Andrie de Vries to join us from Revolution Analytics. Andrie is well known in the R community; he is the co-author of the R for Dummies book and an active contributor on stackoverflow....

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Next Kölner R User Meeting: Friday, 23 May 2014

May 20, 2014
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Next Kölner R User Meeting: Friday, 23 May 2014

The next Cologne R user group meeting is scheduled for this Friday, 23 May 2014. To celebrate our 10th meeting we welcome: Andrie de Vries (Revolution Analytics and Co-author of R for Dummies): Taking R to the Enterprise Markus Gesmann: googleVis overview and recent developments Followed by drinks and schnitzel at the Lux.Further details available on our...

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The Wiener takes it all? A review of the 2014 Eurovision results

May 12, 2014
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The Wiener takes it all? A review of the 2014 Eurovision results

Saturday's Eurovision Song Contest (ESC) from Copenhagen was hilarious as usual with acts from all over Europe and some more or less sensible gimmicks: a circular piano, a giant hamster wheel, a sea-saw, or indeed a beard and fancy dress. The results of the ESC were only a little different to what the bookmakers in...

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Customising lines and points with googleVis

May 6, 2014
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At the end of March Google released a new version of the Chart Tools API with new options for point shapes and line brushes. The arguments are called pointShape and lineDashStyle and can be set directly via googleVis. We published googleVis 0.5.2 on CR...

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R in Insurance 2014: Conference Programme & Abstracts

May 1, 2014
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R in Insurance 2014: Conference Programme & Abstracts

I am delighted to announce that the programme and abstracts for the second R in Insurance conference at Cass Business School in London, 14 July 2014, have been finalised. Register by the end of May to get the early bird booking fee.The organisers grate...

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Notes from the Tokyo R User Group meeting, 17 April 2014

April 21, 2014
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Notes from the Tokyo R User Group meeting, 17 April 2014

Last Thursday I had the pleasure to attend the Tokyo R user group meeting. And what a fun meeting it was! Over 40 R users had come together in central Tokyo. Yohei Sato, who organises the meetings, allowed me to talk a little about the recent developme...

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googleVis 0.5.1 released on CRAN

April 15, 2014
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googleVis 0.5.1 released on CRAN

GoogleVis 0.5.1 was released on CRAN yesterday. New Features New functions gvisSankey, gvisAnnotationChart, gvisHistogram,gvisCalendar and gvisTimeline to support the new Google charts of the same names (without 'gvis'). New demo Trendlines showing how...

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