[EM] Multiwinner Election Algorithm

2009-07-21 Thread Greg Nisbet
Reweighted Range Voting http://rangevoting.org/RRV.html does not check every possible combination of candidates. However there may be a way to determine the optimal candidate quickly. Set X and set Y are adjacent if it is possible to create one group by changing a single candidate in the other.

Re: [EM] Multiwinner Election Algorithm

2009-07-21 Thread peter barath
Set X and set Y are adjacent if it is possible to create one group by changing a single candidate in the other. ...in other words, all the members are identical but one. Set X is a local maximum if the utility of every adjacent set is less than Set X´s utility. The utility function

Re: [EM] Redistricting, now with racial demographics

2009-07-21 Thread Aaron Armitage
--- On Mon, 7/20/09, Raph Frank raph...@gmail.com wrote: I would think that presetting the desired boundaries would avoid that. Pre-set boundaries have the disadvantage that the lead to imbalances in the voter to seat ratios. A 5 seat district could have a population of anywhere