Is it crowded in here?

March 9, 2016
By

(This article was first published on R – Irregularly Scheduled Programming, and kindly contributed to R-bloggers)

This was a neat graphic that someone made. It shows the population at a given latitude or longitude as a bar chart, overlayed on a map of the world itself. It shows where people live; the bigger the bar, the more people living at that latitude/longitude.

I can do that.” I said. In R of course. So here it is;

I love that such a small amount of code can produce something so interesting. Click the images below to view them in all their full-size glory.

popByLat

popByLon

How is this useful? Well… okay, it’s not. It’s pretty. That’s what it is. An a neat exercise in data manipulation and plotting.

UPDATE: As per a comment on my reddit thread, I’ve updated this to include a logarithmic colour-scale for population. The populations follow a nice logit curve if you arrange them in order:

logPopulation

Here’s the updated graphics:

popByLat_popCol

popByLon_popCol

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