Blog Archives

Speeding up package installation

November 15, 2017
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Speeding up package installation

Can’t be bothered reading, tell me now A simple one-line tweak can significantly speed up package installation and updates. See my post at the Jumping Rivers blog (no point duplicating content in two places)  

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UK R Courses

June 8, 2017
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UK R Courses

Over the next few months we’re running a number of R, Stan and Scala courses around the UK. June (London) Mon Jun 26 – Introduction to R Tue Jun 27 – Statistical Modelling with R Wed Jun 28 – Programming with R Thu Jun 29 (2-day course) – Advanced R Programming August (Belfast) Thu Aug 10

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Security: the dangers of copying and pasting R code

June 7, 2017
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Security: the dangers of copying and pasting R code

Most of the time when we stumble across a code snippet online, we often blindly copy and paste it into the R console. I suspect almost everyone does this. After all, what’s the harm? Consider this simple piece of R code that performs simple linear regression # Generate data x = rnorm(10) y = rnorm(10)

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Training courses: R, Stan and Scala

January 25, 2017
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Training courses: R, Stan and Scala

Over the next few months we’re running a number of R, Stan and Scala courses around the UK. Feburary Mon 13 – Introduction to R (London) Tue 14 – Programming with R (London) Wed 15 – Advanced Graphics with R (London) Thur 16 (2-day course) – Predictive Analysis (London) March Tue Mar 21 – R for

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Input/output benchmarks

January 22, 2017
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Input/output benchmarks

To quantify the impact of the CPU on an analysis, I created the package benchmarkme. The idea is simple. If everyone runs the same R script, we can easily compare machines. One of the benchmarks in the package is for comparing read/write speeds; we write a large CSV file (using write.csv) and read it back in

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benchmarkme Update

January 9, 2017
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benchmarkme Update

When discussing how to speed up slow R code, my first question is what is your computer spec? It always surprises me when complex biological experiments, costing a significant amount of money, are analysed using a six year old laptop. A new desktop machine costs around £1000 and that money would be saved within a

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List of R conferences and useR groups

November 1, 2016
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List of R conferences and useR groups

Recently Steph Locke asked on twitter if there was a list of R conferences. After some googling, all that I came up was a list of useR groups maintained by Microsoft. While the list was lengthy, it was missing a few groups (and twitter handles). So the other night I created a github repository listing

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R Courses at London, Leeds and Newcastle

August 30, 2016
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R Courses at London, Leeds and Newcastle

Over the next few months we’re running a number of R courses at London, Leeds and Newcastle. September 2016 (Newcastle) Sept 12th: Introduction to R Sept 13th: Statistical modelling Sept 14th: Programming with R Sept 15th: Efficient R: speeding up your code Sept 16th: Advanced graphics October 2016 (London) Oct 3rd: Introduction to R Oct 4th:

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R Courses at Newcastle

April 22, 2016
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R Courses at Newcastle

Over the next two months I’m running a number of R courses at Newcastle University. May 2016 May 10th, 11th: Predictive Analytics May 16th – 20th: Bioconductor May 23rd, 24th: Advanced programming June 2016 June 8th: R for Big Data June 9th: Interactive graphics with Shiny Since these courses are on  advanced topics, numbers are limited

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RStudio addins manager

March 31, 2016
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RStudio addins manager

RStudio addins let you execute a bit of R code or a Shiny app through the RStudio IDE, either via the Addins dropdown menu or with a keyboard shortcut. This package is an RStudio addin for managing other addins. To run these addins, you need the latest version of RStudio. Installation The package can be

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