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This is the 12th post in a series attempting to recreate the figures in Lattice: Multivariate Data Visualization with R (R code available here) with ggplot2. Previous parts in this series: Part 1, Part 2, Part 3, Part 4, Part 5, Part 6, Part 7, Part 8, Part 9, Part 10, Part 11. Chapter 13 – Advanced [...] [Read more...]

Inspired by this post (suggested here by the always useful Revolutions blog), I attempted to plot the position of CRAN mirrors on a map taking advantage of the nice R package RgoogleMaps (check the dependencies!). Below the code: library(XML) # downlo... [Read more...]

Bogdan Taranta (website in Polish) is developing a set of functions for drawing administrative maps of Poland. I wrote similar functionality for myself already some time ago, but only for voivodships, i.e. top-level administrative units, and also in a rather low resolution. Bogdan’s contribution seems to contain all ... [Read more...]