If any of you have the math background and can make it to Boston, there's a training course this August for expert witnesses to analyze gerrymandering:
https://sites.tufts.edu/gerrymandr/ On Sat, Feb 4, 2017 at 9:42 PM, Brian DeRocher <[email protected]> wrote: > Hi Everyone, > > Long time reader, first time poster. > > A while back a was looking at gerrymandering in Virginia. Not so much what > is the state of it, which is bad, but more like what would ideal districts > look like. > > I took the Dot Map project, which puts one dot per person on the map, > maintaining county proportions iirc, and the uses a k-means clustering > algorithm to build the districts. > > For Virginia there are 11 of them. In my results Richmond, a major city, > was split in half and one district on the coast was split by 2 land masses. > > The city split is understandable based on the algorithm, but I didn't like > the other issue. So I intend to replace the distance measure (crow flying) > in k-means with pgrouting driving directions. > > My project is here. See the wiki for some documentation. Feedback > appreciated, just open issues. > > https://github.com/openbrian/districtbuilder > > Slightly related to that project is one where I build district for > elementary schools. It's a different problem because each school has > different capacities. > > https://github.com/openbrian/acps_redistricting/wiki > > Brian > > Brian > http://derocher.org/~brian > http://mappingdc.org > _______________________________________________ > Geowanking mailing list > [email protected] > http://geowanking.org/mailman/listinfo/geowanking_geowanking.org > >
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