New Data Scientist role at Lloyd's

The guys at RStudio have done a fantastic job with shiny . It is really easy to build web apps with R using shiny. With the help of Joe Ch...

Last Saturday I met the guys from RStudio at the R in Finance conference in Chicago. I was curious to find out what RStudio could offer. I...

Is there a life outside the office? Photo: Markus Gesmann It is not unusual that you will not have admin rights in an IT controlled offic...

Iris versicolor   By Danielle Langlois License: CC-BY-SA R is a language , as Luis Apiolaza pointed out in his recent post . This is ab...

Over the past couple of days I played around with the data sets of the World Bank, and I have to admit that I am blown away by it. It is ama...

Sankey diagrams are great for visualising flows from one set of data values to another. Although named after Irish Captain Matthew Henry Phi...

I discussed earlier how the action potential of a neuron can be modelled via the Hodgkin-Huxely equations . Here I will present a simple mod...

Here is a little Bayesian Network to predict the claims for two different types of drivers over the next year, see also example 16.15 in [1]...

A friend of mine asked me the other day how she could use the function optim in R to fit data. Of course there are built-in functions for f...

Often I like to reduce the alpha value (level of transparency) of colours to identify patterns of over-plotting when displaying lots of dat...