diff --git a/docs/options.md b/docs/options.md index 41871a9..5072479 100644 --- a/docs/options.md +++ b/docs/options.md @@ -6,29 +6,29 @@ The preset dropdown allows you to choose from a hardcoded list of preloaded STV
Method | Description | Exceptions | Validated against |
---|---|---|---|
OpenTally WIGM | A recommended set of simple STV rules designed for computer counting, using the weighted inclusive Gregory method and rational arithmetic. | ||
OpenTally WIGM | Recommended set of simple STV rules designed for computer counting, using the weighted inclusive Gregory method and rational arithmetic. | ||
Scottish STV | Rules from the Scottish Local Government Elections Order 2011, using the weighted inclusive Gregory method. | 2007 Linn ward local election (eSTV 2.0.16) | |
Meek STV | Advanced STV rules designed for computer counting, recognised by the Proportional Representation Society of Australia (Victoria–Tasmania) as the superior STV system. | ||
• OpenTally Meek | Operates according to the original 1987 Hill–Wichmann–Woodall ‘Algorithm 123’ specification of Meek STV, except that (a) ties are broken backwards then at random, (b) fixed-point arithmetic with 5 decimal places is used, and (c) candidates are elected on strictly exceeding the quota. | Ballot papers derived from the ERS97 model election (Hill–Wichmann–Woodall implementation) | |
• Meek STV (2006) | Operates according to Hill's 2006 revisions. This is the algorithm referred to in OpenSTV/OpaVote as ‘Meek STV’, and forms the basis of New Zealand's Meek STV rules. | [E1] | Ballot papers derived from the ERS97 model election (OpenSTV 1.7) |
• Meek STV (New Zealand) | Operates according to Schedule 1A of the Local Electoral Regulations 2001. | [E1] | Ballot papers derived from the ERS97 model election (OpenSTV 1.7, Hill's nzmeek 6.7.7) |
• OpenTally Meek | Recommended rules for Meek STV. Operates according to the original 1987 Hill–Wichmann–Woodall ‘Algorithm 123’ specification (The Computer Journal 1987;30(3):277–81), except that (a) ties are broken backwards then at random, (b) fixed-point arithmetic with 5 decimal places is used, and (c) candidates are elected on strictly exceeding the quota. | Ballot papers derived from the ERS97 model election (Algorithm 123) | |
• Meek STV (2006) | Operates according to Hill's 2006 revisions (Voting Matters 2006;(22):7–10). This is the algorithm referred to in OpenSTV/OpaVote as ‘Meek STV’, and forms the basis of New Zealand's Meek STV rules. | [E1] | Ballot papers derived from the ERS97 model election (OpenSTV 1.7) |
• Meek STV (New Zealand) | Operates according to Schedule 1A of the Local Electoral Regulations 2001. | [E1] | Ballot papers derived from the ERS97 model election (OpenSTV 1.7, Hill's nzmeek 6.7.7) |
Australian Senate STV | Rules from the Commonwealth Electoral Act 1918, using the unweighted inclusive Gregory method. | [E2] [E3] | 2019 Tasmanian Senate election (AEC EasyCount) |
Western Australia STV | Rules from the Electoral Act 1907 (WA), using the weighted inclusive Gregory method. | [E2] [E3] | |
Australian Capital Territory STV | Rules from the Electoral Act 1992 (ACT), using the exclusive Gregory method. | 2020 Kurrajong territory election (eVACS 2016) | |
Wright STV | Rules proposed by Anthony van der Craats designed for computer counting, involving reset and re-iteration of the count after each candidate exclusion. | EVE Online CSM 15 election (EVE reference implementation) | |
PRSA 1977 | Simple rules designed for hand counting, using the exclusive Gregory method, with counting performed in thousandths of a vote. | Example 1 of the PRSA's Proportional Representation Manual | |
ERS97 | More complex rules designed for hand counting, using the exclusive Gregory method. | Ballot papers derived from the ERS97 model election | |
ERS97 | More complex rules designed for hand counting, using the exclusive Gregory method. | Ballot papers derived from the ERS97 model election | |
• ERS76 | Former rules from the 1976 2nd edition. | [E4] | |
• ERS73 | Former rules from the 1973 1st edition. | [E4] | |
Church of England | Rules from the Church of England Single Transferable Vote Rules 2020, similar to ERS73. |