Articles by Robert

Reverse engineering the SAS data file format

November 6, 2012 | Robert

I think it’s rather marvellous that a few expert coders are working on dispelling the cloud of mystery around the proprietary file format used by SAS software. Essentially, saving your data in a SAS format (with a name like mydata.sas7bdat) … Continue reading → [Read more...]

ggplot2 primer in 10 minutes

October 15, 2012 | Robert

Here’s a nice presentation from Christophe Ladroue which really does give an insight into the R package ggplot2 if you’ve never used it before. Each line of code can be clicked on to reveal the corresponding graph! [Read more...]

Presentation: Animated graphs in R

October 15, 2012 | Robert

As takes shape, and following the great reception it got at the Stata Users Group in London in September, I’m pleased to announce I will be giving the same presentation – for R this time – at the LondonR … Continue reading → [Read more...]

SPSS and R day in York

September 19, 2012 | Robert

On 2 November there are some introductory health-focussed training sessions on SPSS and R software going on in York: Two sets of two half-day parallel workshops and two tutorial sessions are provisionally planned to be held at the Alcuin Research … Continue reading → [Read more...]

200 Countries animation revisited

August 8, 2012 | Robert

Here’s a new animated graph, again made using only stats software – R this time – to recreate Hans Rosling’s famous 200 Countries animation. Have you ever noticed how Prof Rosling had a team of graphics people beavering away in … Continue reading → [Read more...]
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