Blog Archives

Notes from the Kölner R meeting, 26 June 2015

June 30, 2015
By
Notes from the Kölner R meeting, 26 June 2015

Last Friday the Cologne R user group came together for the 14th time, and for the first time we met at Startplatz, a start-up incubator venue. The venue was excellent, not only did they provide us with a much larger room, but also with the whole infras...

Read more »

Next Kölner R User Meeting: Friday, 26 June 2015

June 23, 2015
By
Next Kölner R User Meeting: Friday, 26 June 2015

The next Cologne R user group meeting is scheduled for this Friday, 6 June 2015 and we have an exciting agenda with two talks followed by networking drinks. Data Science at the Commandline (Kirill Pomogajko)An Introduction to RStan and the Stan Modelli...

Read more »

How to place titles in lattice plots

June 16, 2015
By
How to place titles in lattice plots

I like the Economist theme in the latticeExtra package. It produces nice looking charts that mimic the design of the weekly newspaper, such as in this example:For some time I wondered how I could put the title of my lattice plots into the top left corn...

Read more »

Using system and web fonts in R plots

June 9, 2015
By
Using system and web fonts in R plots

The forthcoming R Journal has an interesting article on the showtext package by Yixuan Qiu. The package allows me to use system and web fonts directly in R plots, reminding me a little of the approach taken by XeLaTeX. But "unlike other methods to embe...

Read more »

Back from R/Finance in Chicago

June 2, 2015
By
Back from R/Finance in Chicago

I had a great time at the R/Finance conference in Chicago last Friday/Saturday. Some brief takeaways for me were:From Emanuel Derman's talk: It is is important to distinguish between theories and models. Theories live in an abstract world and for a giv...

Read more »

Communicating Risk at the Bay Area R User Group

May 26, 2015
By
Communicating Risk at the Bay Area R User Group

I will be speaking at the Bay Area User Group meeting tonight about Communicating Risk. Anthony Goldbloom from Kaggle and Karim Chine from ElasticR will be there as well. The meeting will be at Microsoft in Mountain View.Later this week I will give a s...

Read more »

Posterior predictive output with Stan

May 19, 2015
By
Posterior predictive output with Stan

I continue my Stan experiments with another insurance example. Here I am particular interested in the posterior predictive distribution from only three data points. Or, to put it differently I have a customer of three years and I'd like to predict the ...

Read more »

Hello Stan!

May 12, 2015
By
Hello Stan!

In my previous post I discussed how Longley-Cook, an actuary at an insurance company in the 1950's, used Bayesian reasoning to estimate the probability for a mid-air collision of two planes.Here I will use the same model to get started with Stan/RStan,...

Read more »

Predicting events, when they haven’t happened yet

May 5, 2015
By
Predicting events, when they haven’t happened yet

Suppose you have to predict the probabilities of events which haven't happened yet. How do you do this?Here is an example from the 1950s when Longley-Cook, an actuary at an insurance company, was asked to price the risk for a mid-air collision of two p...

Read more »

R in Insurance 2015 Conference Programme

April 28, 2015
By
R in Insurance 2015 Conference Programme

The programme for the 3rd R in Insurance conference is on-line. The event will take place on 29 June 2015 at the University of Amsterdam. Time to register now. Special thanks to our sponsors, without whom the conference wouldn't be possible: CYBAEA, RS...

Read more »


Subscribe

Email:

  Subscribe