
Spatiotemporal spread of COVID19: considerations and modelling
A review of the spatiotemporal spread of COVID19, both in terms of actual spread and in terms of modelling, that I wrote for Fields Institute Communications.

Mathematical epidemiology in a datarich world
Comments on and Rmarkdown source code of the paper Mathematical epidemiology in a datarich world (Infectious Diseases Modelling, 2020).

Ugly loops versus pretty vectors
A comparison of the execution times of loops and vector operations in R using the tictoc library.

Thucydides and epidemiology
The plague of Athens of 430 BCE as told by Thucydides in the History of the Peloponnesian War.

Lowering the alpha value in an OSM map
Simple solution to change the alpha channel (that is, the opacity or transparency) in an OpenStreetMap map in R, using a function that adds an alpha value to a hexadecimal RGB colour specification.