pSTV version 0.8 is now available.
The visible differences are (1) and improved user interface, and (2) the
ability to select candidates to eliminate before the votes are counted.
Behind-the-scenes improvements include (1) that the ERS97 rules are
now implemented in fixed point and not floati
pSTV version 0.7 is now available.
A few more methods are available: Condorcet, Coombs, Bucklin, and Borda.
British Columbia will be voting soon to decide whether to switch to
STV and these rules are also available. The user interface has also
been improved and a few bugs ironed out.
Methods
Dear List,
I have converted the official ballots from the recent San Francisco IRV
election for use with pSTV. Go to
http://stv.sourceforge.net/
to download the software and the ballot files for the seven districts.
Also available are ballot files from the 2003 Cambridge STV election.
If you pr
>> (1) C and D each get nothing.
>> (2) C and D each get 1.5 points (average of leftover
points).
>
> I believe that's why he was asking here. That said, I don't
think
> there's a right answer. I've looked into this before and Borda
> advocates usually say that Borda requires full ballots, e
Hello,
I'm not sure of the best way to implement Borda with ballots that don't
rank all the candidates. Suppose that 4 candidates are running. With a
ballot like:
A B C D
A gets 4 points, B gets 3 points and so on. But what about a ballot like
A B
A and B should be treated as above, but what
I've just added three more methods to pSTV (that are not STV):
- Borda
- Coombs
- Condorcet SSD (adapted code written by Mike Ossipoff and Russ Paielli)
I plan to add other Condorcet completion methods in the future.
This should be considered a beta version as I haven't done any signifi
pSTV version 0.5 has just been released.
There is only one change regarding the methods implemented:
- ERS97 rules are now fully compliant
There are many other feature enhancements and usability improvements.
Some highlights:
- Windows version now has an installer (uses innosetup).
- Ca
Jurij,
The only place in the US that uses IRV is SF. I think it will be
used for the first time this fall. In SF, the election is
non-partisan. It is replacing an election+runoff system. If
no candidate got a majority in the first round, then there would be
runoff between the top two.
There a
I've just released version 0.4 of pSTV. Major updates:
- my previous implementation of Meek STV was actually Warren STV
(thanks to David Gamble for pointing this out)
- both Meek and Warren STV are now correctly implemented
- the loading and saving of different ballot file formats is cl
From: Bart Ingles <[EMAIL PROTECTED]>
Subject: Re: [EM] Re: IRV letter
> (b) and/or point to some computer simulations which show something
Merrill's simulations show plenty.
To be specific, Merrill's simulations show that IRV is much better than
PR. Merrill is fairly supportive of IRV in his
Mike,
I'm mostly a lurker on this list, but I'd like to respond to your letter.
(1) IRV is better than plurality.
I'm assuming that you and most everyone on this list agrees with this.
(2) It is easier to explain IRV than Condorcet.
Convincing a group to change from plurality to any other voting
I've just released version 0.3 of pSTV. The most significant change is
that Cambridge, MA rules are now implemented.
Methods available are:
- SNTV
- IRV
- Simple STV (description included with the program)
- ERS97 STV
- Cambridge, MA
- Meek STV
- highly customizable random transfe
I've just released version 0.2 of pSTV. There have been many changes since the
previous version and this release is fully functional with no known bugs (yet).
The most significant change is that ERS97 rules are fully implemented and the
results have been compared extensively with eSTV.
Methods a
> From: "James Gilmour" <[EMAIL PROTECTED]>
>
> Jeff wrote:
> > Interesting question. I agree with your answer except for
> > the size of the districts. According to Duverger, a district
> > size of 10 supports 11 parties.
>
> What does this statement mean? I am not aware that there is any
Hi Alex,
Interesting question. I agree with your answer except for the size of the
districts. According to Duverger, a district size of 10 supports 11 parties.
If each party runs a full slate, then there would be 110 candidates. I would
prefer a district size of 4-5 to reduce the number of can
Hello,
Poor Mr. Borda was recently dissed on this list. :) I'd like to suggest a use
of the Borda count.
What is the proper voting system to set an agenda for a meeting. Suppose 50
proposals are submitted for consideration at a meeting which is to last eight
hours. How do you choose which prop
Dear List Members,
I've just released software from computing various forms of STV (SNTV, IRV,
Random Transfer, Fractional Transfer, and Meek). You can download the source
and a windows executable at
http://sourceforge.net/projects/stv
I am looking for feedback from people and also for peopl
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