I was told the Eurostat package would be interesting for me. This is indeed true and now I want to use it to plot some data which are related core of some of the European policies; debt.In these plots I only show individual countries, not aggrega...

Introduction I recently had the opportunity to use Padé approximants. There is a lot of good information available on line on the theory and applications of using Padé approximants, but I had trouble finding a good example explaining just how to calculate the co-efficients. Basic Background Hearken back to undergraduate calculus for a moment. For Read the full...

At the risk of coming across as even more of a curmudgeonly old fart than people already think I am, I really do dislike the current vogue in R that is the pipe family of binary operators; e.g. %>%. Introduced by Hadley Wickham and popularised and advanced via the magrittr package by Stefan Milton Bache, the basic idea...

Graphs can be beautiful, powerful tools. Graphs help us explore and explain the world. For hundreds of years, humans have used graphs to tell stories with data. To pay homage to the history of data visualization and to the power of graphs, we’ve recreated the most iconic graphs ever made. Some are remakes of the original shown in a...

Every finite game has an equilibrium point (John Nash, Non-Cooperative Games, 1950) I read recently this amazing book, where I discovered that we (humans) are not capable of generating random sequences of numbers by ourselves when we play lottery. John Haigh demonstrates this fact analyzing a sample of 282 raffles of 6/49 UK Lotto. Once … Continue reading...

After the previous post on the packcircles package for R someone suggested it would be useful to be able to fix the position of selected circles. As a first attempt, I've added an optional weights argument to the circleLayout function. Weights can be in the range 0-1 inclusive, where a weight of 0 prevents a circle from moving,...

About a year ago, I did a little work on a very interesting project which was trying to identify blood-based biomarkers for the early detection of stroke. The data included gene expression measurements using microarrays at various time points after the onset of ischemia (reduced blood supply). I had not worked with timecourse data before,

Last week, I was listening to episode 337 of the podcast This Week in Virology. It concerned a retrovirus-like sequence element named Steamer, which is associated with a transmissible leukaemia in soft shell clams. At one point the host and guests discussed the idea of searching for Steamer-like sequences in the data from ocean metagenomics

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