Tag Archives: R

Another take on building a multi-lingual shiny app

I was reading this interesting post about how to build a multi-lingual Shiny app. I’m also building a multi-lingual Shiny app and came up with slightly different take on it. First, I don’t use a function for finding the translation, … Continue reading

Posted in Uncategorized | Tagged , , | 2 Comments

How to pick up 3 numbers from a uniform distribution in a transparent manner?

Over in my previous post, I’m giving away 3 copies of my video course on ggplot2 and shiny. To win a copy, you just need to leave a comment and I will select 3 winners among the n participants at … Continue reading

Posted in Uncategorized | Tagged , , , , | 5 Comments

Win a free copy of a new video course on ggplot2 and Shiny!

Noticed all these posts on r-bloggers about ggplot2 and shiny? Do you want in? My course “Building Interactive Graphs with ggplot2 and Shiny” (published by Packt Publishing) covers those 2 packages in a series of 40 videos, each one dedicated … Continue reading

Posted in Uncategorized | Tagged , , , , , | 173 Comments

A two-hour online course on ggplot2 and Shiny

I’ve just published a video course with Packt Publishing about ggplot2 and Shiny! In just two hours, you’ll get to learn the popular R packages ggplot2 and Shiny, as well as how to put them together to build interactive webpages. … Continue reading

Posted in Uncategorized | Tagged , , , , , | 8 Comments

A very quick introduction to ggplot2

I gave a very brief 10mn introduction to ggplot2 at the Birmingham R user group meeting on Monday. The aim was to give a headstart to R users who’ve heard of ggplot2 but never got around to trying it. I … Continue reading

Posted in Uncategorized | Tagged , , , , | 12 Comments

An exercise in R using local open data

Last week I went to the “Government Open Data Hack Day” ([@,#]godhd on twitter) in Birmingham (UK), organised by Gavin Broughton and James Catell. The idea was to get hold of local open data and try and make use of … Continue reading

Posted in Uncategorized | Tagged , , , , , , , | 3 Comments

spam evolution

Despite some rather modest protection (like a simple captcha), I still receive spammy comments on this blog every now and again. They’re easily spotted and actually never appear on the website. There’s obviously an incentive for the spammer to post … Continue reading

Posted in Uncategorized | Tagged , , | 3 Comments

A graphical overview of your MySQL database

If you use MySQL, there’s a default schema called ‘information_schema‘ which contains lots of information about your schemas and tables among other things. Recently I wanted to know whether a table I use for storing the results of a large … Continue reading

Posted in Uncategorized | Tagged , , | 5 Comments

polar histogram: pretty and useful

Do you have tens of histograms to show but no room to put them all on the page? As I was reading this paper in Nature Genetics, I came across a simple and clever way of packing all this information … Continue reading

Posted in Uncategorized | Tagged , , , , | 39 Comments

Winning from losing

By following twitter’s #rstats hashtag (rss feed), I recently came across a very interesting R-related blog: datanalytics.com. The first post I read from it was about setting up an on-line reading group to go through the excellent “The Elements of … Continue reading

Posted in Uncategorized | Tagged , , , | 4 Comments