Blog Archives

R in Insurance: Programme and Abstracts published

May 7, 2013
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R in Insurance: Programme and Abstracts published

I am delighted to announce that the programme and abstracts for the first R in Insurance conference at Cass Business School in London, 15 July 2013, have been published. The conference committee received strong abstracts from academia and the industry,...

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How to change the alpha value of colours in R

April 29, 2013
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How to change the alpha value of colours in R

Often I like to reduce the alpha value (level of transparency) of colours to identify patterns of over-plotting when displaying lots of data points with R. So, here is a tiny function that allows me to add an alpha value to a given vector of colours, e.g. a RColorBrewer palette, using col2rgb and rgb, which has...

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Review: Kölner R Meeting 12 April 2013

April 23, 2013
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Review: Kölner R Meeting 12 April 2013

Our 5th Cologne R user group meeting was the best attended meeting so far, with 20 members finding their way to the Institute of Sociology for two talks by Diego de Castillo on shiny and Stephan Holtmeier on cluster analysis, followed by beer and schnitzel at the Lux, a gastropub nearby.ShinyDiego gave an overview of...

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Test Driven Analysis?

April 16, 2013
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Test Driven Analysis?

At the last LondonR meeting Francine Bennett from Mastodon C shared some of her experience and findings from an analysis of a large prescriptions data set of the UK's national health service (NHS). However, it was her last slide, which I found the most...

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How to set axis options in googleVis

April 9, 2013
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How to set axis options in googleVis

Setting axis options in googleVis charts can be a bit tricky. Here I present two examples where I set several options to customise the layout of a line and combo chart with two axes. The parameters have to be set in line with the Google Chart Tools API, which uses a JavaScript syntax....

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Next Kölner R User Meeting: 12 April 2013

April 8, 2013
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Next Kölner R User Meeting: 12 April 2013

Quick reminder: The next Cologne R user group meeting is scheduled for this Friday, 12 April 2013. We will discuss cluster analysis and shiny. Further details and the agenda are available on our KölnRUG Meetup site. Please sign up if you would like to come along. Notes from the last Cologne R user group meeting are...

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Top 10 tips to get started with R

April 2, 2013
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Be motivated. R has a steep learning curve. Find a problem you can't solve otherwise. E.g. plotting multivariate data, a statistical analysis for which an R function exists already. Download and install R. Get to know the R console. Learn how to instal...

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ChainLadder 0.1.5-6 released on CRAN

March 26, 2013
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ChainLadder 0.1.5-6 released on CRAN

Last week we released version 0.1.5-6 of the ChainLadder package on CRAN. The ChainLadder package provides statistical models, which are typically used for the estimation of outstanding claims reserves in general insurance. The package vignette gives an overview of the package functionality. Output of plot(MackChainLadder(GenIns)) Since the last CRAN release...

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Submit a talk for the first R in Insurance conference

March 25, 2013
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Submit a talk for the first R in Insurance conference

The registration for the first R in Insurance is open and there is still time to submit a talk / lightning talk.The conference will take place at Cass Business School in London on Monday, 15 July 2013. This is the Monday following the useR! 2013 confer...

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googleVis 0.4.2 with support for shiny released on CRAN

March 19, 2013
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The new version of googleVis 0.4.2 is now available via CRAN. Many thanks to all who provided feedback on version 0.4.0 and particularly to Sebastian Campbell, John Maindonald and Aonan Zhang. As usual, if you find any issues or bugs, please send us an email or add a line to our online issues log.With version...

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