r-bloggers

The evolution of squad compositions at UEFA European Championships

I have been playing around with rvest once again, and decided to extend some old code to put together a data base on the squads at past European Championships from Wikipedia.

Animated Sankey plots of global migrant populations

Background Sankey plots have been used to visualize bilateral migration many times. My favorite examples of Sankey plots for migration data tend to be when there are only few regions or countries.

Expand broom::tidy() output for categorical parameter estimates

Introduction The tidycat package includes the tidy_categorical() function to expand broom::tidy() outputs for categorical parameter estimates. Documentation For full documentation, see the package vignette: The tidycat package: expand broom::tidy() output for categorical parameter estimates

Animating the evoloution of football kits using R

Background I’m loving the magick package at the moment. Reading through the vignette I spotted the image_morph() function. In this post I experiment with the function to build the GIF below that shows the changes in the England football first kit over time, using images from the excellent Historical Football Kits website.

R code for animated chord diagrams

Background A little while ago my paper in International Migration Review on global migration flow estimates came out online. The paper includes a number of directional chord diagrams to visualize the estimates.