New Data Scientist role at Lloyd's

Many thanks to all who participated in the survey about writing R package vignettes . Following my post last Thursday the responses came i...

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...

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...

After my posts on timeline , Sankey and calendar charts, this will be the last to introduce new chart types of the developer version of go...

If connecting data to the real world is the next sexy job , then how do I do this? And how do I connect the real world to R? It can be don...

Setting axis options in googleVis charts can be a bit tricky. Here I present two examples where I set several options to customise the layo...

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

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...

The financial crisis has put a lot of pressure on countries' long-term foreign currency credit ratings, with France recently being downg...

I really should make it a habit of using data.table . The speed and simplicity of this R package are astonishing. Here is a simple exampl...