A short weekend away in Thessaloniki, Greece.
Annotating scatterplots in R. Drawing polygons around point clusters using base functions and R packages ggplot, ggalt and ggforce.
A road trip exploring the west coast of Sweden.
A conference and road trip through Portugal.
A step-by-step guide to data preparation and plotting of simple, neat and elegant heatmaps in R using base graphics and ggplot2.