Do you plan to upgrade your server installation from Ubuntu 16.04 to Ubuntu 18.04 LTS ? It is also the best time to migrate to R 3.5 ! By the way, if you always found difficult to install R packages for geographical data on Ubuntu, this time is over. Just follow the guide… New Ubuntu ...

In a previous post, I studied gender diversity in the film industry, I did this by focusing on some key behind-the-camera roles and measuring the evolution of the gender diversity in the last decade. The conclusion was not great: women are under-represented, especially in the most important roles of directors ...

I recently got a hold of team rankings for the English Premier League (EPL) for the last 10 years (data was manually recorded from this Google sheet, available here in .csv format). I thought this would be a good opportunity … Continue reading →

Boxplots are often used to show data distributions, and ggplot2 is often used to visualize data. A question that comes up is what exactly do the box plots represent? The ggplot2 box plots follow standard Tukey representations, and there are many references of this online and in standard statistical text ...

With the FIFA World Cup in my recent memory and the English Premier League (EPL) kicking off this Friday (see here for match schedules), I’ve been thinking a bit about the mathematics/statistics of the beautiful game. In this post, I … Continue reading →

The analysis of DNA and RNA, the blueprint of life and its carbon copy, has become a staple in the burgeoning field of molecular biology. An emerging and exciting area of study that adds another dimension to our understanding of cellular biology is that of proteomics. The use of mass ...

For today’s interview, Ruth Thomson, Practice Lead for Strategic Advice spoke to Catherine Gamble, Data Scientist at Marks and Spencer. Catherine is presenting “Using R to Drive Revenue for your Online Business” at EARL London and we got the chance to get a preview of the use case she’...

Introduction Two years ago I came across Pearl’s work on using directed cyclical graphs (DAGs) to model the problem of causal inference and have read the debate between academics on Pearl’s framework vs Rubin’s potential outcomes framework. Then...

R can create almost any plot imaginable and as with most things in R if you don’t know where to start, try Google. The Introduction to R curriculum summarizes some of the most used plots, but cannot begin to expose people to the breadth of plot options that exist....

Today, in honor of last week’s jobs report from the Bureau of Labor Statistics (BLS), we will visualize jobs data with ggplot2 and then, more extensively with highcharter. Our aim is to explore highcharter and its similarity with ggplot and to create some nice interactive visualizations. In the process, ...

A simple (summertime?!) arithmetic Le Monde mathematical puzzle A “powerful integer” is such that all its prime divisors are at least with multiplicity 2. Are there two powerful integers in a row, i.e. such that both n and n+1 are powerful?  Are there odd integers n such that n² – 1 is ...

Click here to access the map 1 - Background and motivation During the last few years, the sharing economy has become more and more ubiquitous, from taxi riding applications to DIY and so on. The Real Estate market is no exception and in the Hotels and Hospitality sector we have seen ...