Equidistant points on a map | Freakonometrics
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Signalé par l’auteur lui-même :) Je référence
Equidistant points on a map
October 17, 2013
By Arthur Charpentier
This morning, I had a comment on a recent post, regarding a graph I did upload on the blog, which was extracted from a paper now online (see ▻http://hal.archives-ouvertes.fr/hal-00871883). Jo (from KUL, I guess I can share that piece of information) asked me
I was wondering whether you would want to share the R code for plotting figures 1 and 14? W.r.t. the former, the figure-in-figure is a nice touch; as to the latter, I am curious to know how you translated distance in km to the size parameters of the graph (par(“usr”)) for plotting the corresponding concentric circles (and the arrow indicating the radius) on top of your map.
At first, I thought I made a mistake in my plot. I mean, each time I have a question, I start to be suspicious, and I start to wonder if what I did was valid, or not. Here was the graph
