Date: Thu, 28 Mar 2002 22:22:11 -0800
From: Michael Rouse [EMAIL PROTECTED]
Subject: Re: [EM] More on Gerrymander prevention
Well, Oregon (the state I live in) has the requirement
that districts be contiguous and connected by
transportation links. Drawing districts based on the
efficiency
On Mon, 25 Mar 2002, Adam Tarr wrote:
Josh wrote:
I think the map should be non-geographic, and, instead, road-based.
Dense networks of roads should not be separated into separate districts.
An urban area on two sides of a bridge could easily be divided.
Very slick idea Josh. The
From: Adam Tarr [EMAIL PROTECTED]
Subject: RE: [EM] More on Gerrymander prevention
Josh's proposal is indeed a very slick idea. It groups
people according to social and economic criteria. It would
work out well where I live -- on the west side of Puget
Sound. Seattle is not far away
PROTECTED]]
Sent: Sunday, March 24, 2002 11:45 AM
To: [EMAIL PROTECTED]
Subject: Re: [EM] More on Gerrymander prevention
After surfing the web for information on how to divide maps without
gerrymandering, I think I found a standard that won't offend most people.
The ideal district under most
Josh wrote:
I think the map should be non-geographic, and, instead, road-based.
Dense networks of roads should not be separated into separate districts.
An urban area on two sides of a bridge could easily be divided.
Very slick idea Josh. The question becomes, how do you come up with a
I think the map should be non-geographic, and, instead, road-based.
It is called functional compactness or functional contiguity of districts.
See for example Scher, Mills, Hotaling: Voting Rights and Democracy: The Law
and Politics of Districting. The book quotes few sources on this type of
Dear participants,
very good papers on automatic districting are Political
District Determination Using Large-scale Optimization
(Socio-Economic Planning Sciences, vol. 31, no. 1,
pp. 11-28, 1997) by John A. George, Bruce W. Lamar
and Chris A. Wallace and Political Districting: A Tabu
Search
After surfing the web for information on how to divide maps without
gerrymandering, I think I found a standard that won't offend most people.
The ideal district under most standards has the following features:
1. Equal Population
2. Contiguous
3. Compact
If we were to define the ideal
Another way to lessen (though not eliminate) gerrymandering would be to
apportion districts by the total number of *votes* cast in the general
election rather than the total *population* of the United States and
divide
by the total number of representatives. Then apportion representatives
- Original Message -
From: Jurij Toplak [EMAIL PROTECTED]
To: [EMAIL PROTECTED]
Sent: Friday, March 22, 2002 2:03 AM
Subject: Re: [EM] More on Gerrymander prevention
Most of the countries draw districts according to the total population.
Some draw them according to the total number
Michael wrote:
Draw a line between the population centroid and the
voting centroid (or population median and voting median), and continue until
you have the number of districts you want. That way, roughly equal voters
and residents would be in each district.
As you implied before, this could
- Original Message -
From: Adam Tarr [EMAIL PROTECTED]
To: [EMAIL PROTECTED]
Sent: Friday, March 22, 2002 7:55 AM
Subject: Re: [EM] More on Gerrymander prevention
Michael wrote:
Draw a line between the population centroid and the
voting centroid (or population median and voting
On Fri, 22 Mar 2002, Michael Rouse wrote:
chosing a winner. If there were some clear standard, we could (as others
have suggested) solicit plans not only from computer models and the parties
involved, but from ordinary citizens, and then choose the best one. Heck,
you could have a
First, I want to thank Forest for a number of recent instances where -
likely better and certainly more rapidly than I could myself - he has
explained and clarified my proposals.
In my opinion - see example below - the practical merit of a districting
scheme generally can NOT reduce to only a
: RE: [EM] More on Gerrymander prevention
Jurij writes, tantalizingly...
Altman is saying that automated redistricting is not practical and
possible,
but I am saying that it is possible and I also developed a method and
used
it on a practical example - my country.
And did your country
Jurij-
Tantalizingly means very interestingly, in a manner that makes one want
to know more. (my definition, not a dictionary).
You wrote in a previous message that you had applied your study of
redistricting to your country. I thought (and I assume Josh did too) that
you were suggesting that
] More on Gerrymander prevention
Jurij-
Tantalizingly means very interestingly, in a manner that makes one want
to know more. (my definition, not a dictionary).
You wrote in a previous message that you had applied your study of
redistricting to your country. I thought (and I assume Josh did
Message-
From: Jurij Toplak [mailto:[EMAIL PROTECTED]]
Sent: Wednesday, March 20, 2002 1:01 PM
To: [EMAIL PROTECTED]
Subject: Re: [EM] More on Gerrymander prevention
What you are refering at is called automated redistricting process -
getting the districting plan by following certain mathematical
Re: [EM] More on Gerrymander prevention
Of course one can specify an automated redistricting scheme, and it may be a
very good one too. And, from a Realpolitik viewpoint, the schemes actual
adoption or nonadoption may have little to do, pro or con, with its inherent
merits.
The essence
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