Add new ERS97 test
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RunasSudo
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@ -5,9 +5,9 @@ STV-counting software is frequently validated empirically by comparing the resul
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| Method | Election | Comparator | Included test case |
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| Scottish STV | [2007 Glasgow council Linn ward election](https://web.archive.org/web/20121004213938/http://www.glasgow.gov.uk/en/YourCouncil/Elections_Voting/Election_Results/ElectionScotland2007/LGWardResults.htm?ward=1&wardname=1%20-%20Linn) | eSTV 2.0.16 (official) | ✓ |
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| OpenTally Meek | [Ballot papers derived from the ERS97 model election](https://yingtongli.me/blog/2021/01/04/ers97.html) | [Algorithm 123](https://www.dia.govt.nz/diawebsite.NSF/Files/meekm/%24file/meekm.pdf) | ✓ |
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| Meek STV (2006) | Ballot papers derived from the ERS97 model election | [OpenSTV 1.7](https://github.com/Conservatory/openstv) | ✓ |
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| Meek STV (New Zealand) | Ballot papers derived from the ERS97 model election | OpenSTV 1.7, [Hill's nzmeek 6.7.7](https://yingtongli.me/blog/2021/07/08/nzmeek.html) | ✓ |
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| OpenTally Meek | [Reverse engineered ballot papers for the ERS97 model election](https://yingtongli.me/blog/2021/01/04/ers97.html) | [Algorithm 123](https://www.dia.govt.nz/diawebsite.NSF/Files/meekm/%24file/meekm.pdf) | ✓ |
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| Meek STV (2006) | Reverse engineered ballot papers for the ERS97 model election | [OpenSTV 1.7](https://github.com/Conservatory/openstv) | ✓ |
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| Meek STV (New Zealand) | Reverse engineered ballot papers for the ERS97 model election | OpenSTV 1.7, [Hill's nzmeek 6.7.7](https://yingtongli.me/blog/2021/07/08/nzmeek.html) | ✓ |
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| Australian Senate STV | [2019 Tasmanian Senate election](https://results.aec.gov.au/24310/Website/SenateDownloadsMenu-24310-Csv.htm) | EasyCount (official) | ✓ |
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| Australian Senate STV | [2019 NSW Senate election](https://results.aec.gov.au/24310/Website/SenateDownloadsMenu-24310-Csv.htm) | EasyCount (official) | |
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| Australian Capital Territory STV | [2020 Kurrajong Legislative Assembly election](https://www.elections.act.gov.au/elections_and_voting/2020_legislative_assembly_election/ballot-paper-preference-data-2020-election) | [eVACS 2020](https://www.elections.act.gov.au/elections_and_voting/electronic_voting_and_counting) (official) | ✓ |
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@ -16,7 +16,8 @@ STV-counting software is frequently validated empirically by comparing the resul
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| Cambridge STV | [2003 Cambridge City Council election](https://web.archive.org/web/20070204083508/http://stv.sourceforge.net/) | OpenSTV 1.7, [ChoicePlus Pro 2.1](https://www.votingsolutions.com/cpdetail.htm) (official) | ✓ |
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| Wright STV | [EVE Online CSM 15 election](https://www.eveonline.com/news/view/meet-the-new-council) | [ccp-wright-stv](https://github.com/ccpgames/ccp-wright-stv) (official) | ✓ |
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| PRSA 1977 | [*Proportional Representation Manual*](https://www.prsa.org.au/publicat.htm#p2) [example 1](https://www.prsa.org.au/utopiatc.pdf) | [Model result](https://www.prsa.org.au/example1.pdf) (official) | ✓ |
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| ERS97 | Ballot papers derived from the ERS97 model election | [Model result](https://www.electoral-reform.org.uk/latest-news-and-research/publications/how-to-conduct-an-election-by-the-single-transferable-vote-3rd-edition/#sub-section-24) (official) | ✓ |
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| ERS97 | [Reverse engineered ballot papers for the ERS97 model election](https://yingtongli.me/blog/2021/01/04/ers97.html) | [Model result](https://www.electoral-reform.org.uk/latest-news-and-research/publications/how-to-conduct-an-election-by-the-single-transferable-vote-3rd-edition/#sub-section-24) (official) | ✓ |
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| ERS97 | [Joe Otten/eSTV ballot papers for the ERS97 model election](https://web.archive.org/web/20020606014623/http://estv.otten.co.uk/) | [Model result](https://www.electoral-reform.org.uk/latest-news-and-research/publications/how-to-conduct-an-election-by-the-single-transferable-vote-3rd-edition/#sub-section-24) (official) | ✓ |
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# References
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@ -0,0 +1,71 @@
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# Comment: Ballot papers for the ERS97 model election - all votes - ERS97
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# Source: Joe Otten, bundled with eSTV 1.40 at https://web.archive.org/web/20020606014623/http://estv.otten.co.uk/
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# Contributor: RunasSudo
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11 6
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4 1 9 3 0
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3 1 9 4 0
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11 1 0
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10 11 8 0
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1 11 0
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0
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"Smith"
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"Duke"
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"Prince"
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"Freeman"
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"Carpenter"
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"Baron"
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"Abbot"
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"Vicar"
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"Wright"
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"Glazier"
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"Monk"
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"ERS Model - 1997 Edition"
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@ -0,0 +1,15 @@
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Stage:,1,,2,,4,,6,,7,,8,
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Comment:,First preferences,,Surplus of Smith,,Exclusion of Monk,,"Exclusion of Glazier, Wright",,Surplus of Carpenter,,Exclusion of Abbot,
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Smith,134,EL,107.58,EL,107.58,EL,107.58,EL,107.58,EL,107.58,EL
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Duke,105,H,106.68,H,108.68,EL,108.68,EL,108.68,EL,108.68,EL
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Prince,91,H,91.63,H,95.63,H,102.31,H,104.31,EL,104.31,EL
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Freeman,90,H,92.94,H,93.94,H,99.62,H,100.62,H,101.62,EL
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Carpenter,81,H,88.14,H,88.35,H,122.35,EL,107.58,EL,107.58,EL
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Baron,64,H,64.21,H,64.21,H,68.26,H,70.26,H,82.26,H
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Abbot,59,H,59.84,H,64.84,H,67.1,H,68.1,H,2.1,EX
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Vicar,55,H,55.21,H,65.21,H,70.31,H,72.31,H,113.31,EL
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Wright,27,H,32.25,H,32.25,H,0,EX,0,EX,0,EX
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Glazier,24,H,30.51,H,30.51,H,0,EX,0,EX,0,EX
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Monk,23,H,23.42,H,0,EX,0,EX,0,EX,0,EX
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Non-transferable,0,,0.59,,1.8,,6.79,,13.56,,25.56,
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Votes required,,,,,,,105.87,,104.13,,96.41,
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@ -40,3 +40,24 @@ fn ers97old_rational() {
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utils::read_validate_election::<Rational>("tests/data/ers97old.csv", "tests/data/ers97old.blt", stv_opts, None, &["nt", "vre"]);
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}
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#[test]
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fn ers97_rational() {
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let stv_opts = stv::STVOptionsBuilder::default()
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.round_surplus_fractions(Some(2))
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.round_values(Some(2))
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.round_votes(Some(2))
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.round_quota(Some(2))
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.quota(stv::QuotaType::DroopExact)
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.quota_criterion(stv::QuotaCriterion::GreaterOrEqual)
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.quota_mode(stv::QuotaMode::ERS97)
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.surplus(stv::SurplusMethod::EG)
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.transferable_only(true)
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.exclusion(stv::ExclusionMethod::ByValue)
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.early_bulk_elect(false)
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.bulk_exclude(true)
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.defer_surpluses(true)
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.build().unwrap();
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utils::read_validate_election::<Rational>("tests/data/ers97.csv", "tests/data/ers97.blt", stv_opts, None, &["nt", "vre"]);
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}
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