Mapping America’s Restless Interstate Migration Without a Map - Wired Science
▻http://www.wired.com/wiredscience/2013/11/mapping-migration-without-a-map
There is a temptation with any kind of data that has a geographical aspect to display it on a map. While maps are by far the best way to convey many of these data, sometimes they are not. This is one of those times.
https://dl.dropbox.com/s/erlfzassweoztt9/usmigration1.png
https://dl.dropbox.com/s/fgzibx2eewkoq2l/usmigration2.png
Even though data on migration between states would seem to cry out to be mapped, this circular visualization by independent data journalist Chris Walker (@cpwalker07) can convey a lot of information far more neatly than a map. Patterns leap out that might have been obscured on a single map, or required many maps to convey the same information
Migration to and from California in 2012 (Chris Walker)
“It’s useful to think beyond maps especially for cases where you want to show interconnectedness between regions, which is what I was trying to do,” Walker wrote in an email to WIRED.