Blog Archives

A room full of Julians

January 22, 2014
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A room full of Julians

Despite winter rain, I was delighted to head uptown last week to Skills Matter on the old Goswell Road for the first ever London Julia meetup. The first thing I learnt was that Julia’s friends are called Julians. If you … Continue reading →

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Giving R the strengths of Stata

December 19, 2013
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Giving R the strengths of Stata

This is not a partisan post that extols the virtues of one software package over another. I love Stata and R and use them both all the time. They each have strengths and weaknesses and if I could only take … Continue reading →

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CSI Stats: looking for traces of data fraud in R

December 6, 2013
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CSI Stats: looking for traces of data fraud in R

Recently, I was looking at some published research, and I became concerned that it looked strange. Firstly, it had results wildly different to other similar studies, and more exciting / publishable ones. So, I was looking through the original paper … Continue reading →

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Simulation (is where it’s happening)

November 18, 2013
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Simulation (is where it’s happening)

Jim Silverton wrote to the Allstat mailing list recently: “Hi, Anyone up for a challenge? Suppose we have random variables that are random points on the surface of a sphere. What is the probability that the tetrahedron made by joining these … Continue reading →

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Software inter-operability meeting in London

November 8, 2013
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Software inter-operability meeting in London

On the afternoon of 14 November, the RSS is hosting a joint meeting with the International Biometric Society at Errol Street. The topic is inter-operability, as in software packages talking to each other to make your life easier. This is … Continue reading →

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R tips for moderately large data

September 16, 2013
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R tips for moderately large data

Some useful tips recently featured on r-bloggers and originally posted at Mollie’s Research Blog are worth reading. I say moderately large because I don’t really believe there is such a thing as big data (and it looks like Mollie doesn’t … Continue reading →

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LondonR lightning talk: Audiblization / sonification of data

July 30, 2013
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LondonR lightning talk: Audiblization / sonification of data

It looks like the next LondonR meeting on 10 September 2013 will involve a series of 5 minute lightning talks rather than a few half hour slots. I have proposed “Audiblization / sonification of data: what are people doing and … Continue reading →

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Easy pictograms using R

July 26, 2013
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Easy pictograms using R

I have been amazed for a while that there is no major stats software offering pictograms. You know the sort of classic infographic I mean: Well, I have been working on an R function to help with this. It’s at … Continue reading →

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R2leaflet (v0.1) – make interactive online maps from R

June 11, 2013
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R2leaflet (v0.1) – make interactive online maps from R

I have been working on a simple R function to take latitude and longitude of points of interest, and text for pop-up labels, and produce an interactive online map. Interactive graphics are incredibly useful in getting people interested in your … Continue reading →

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Convert IP addresses to geolocation, latitude and longitude etc etc

May 29, 2013
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Convert IP addresses to geolocation, latitude and longitude etc etc

Whoa! Now this is cool. It turns out there is a database at freegeoip.net which you can query for the location of a particular IP address. And as it has a neat little API for batches of IPs, you can … Continue reading →

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